How many words with BIO are there?

This page lists 390 words with BIO from our dictionary, each shown with its Scrabble score.

Are these words valid in official Scrabble play?

Not necessarily. This site uses the open ENABLE word list; check the official dictionary used by your game or tournament.

Words With BIO

All 390 words in our dictionary that contain BIO — sorted by Scrabble score.

390 words · number = Scrabble score · sorted highest score first

psychobiography36 biomechanically29 psychobiologic29 psychobiology29 biogeochemistry28 psychobiologies28 psychobiologist28 biochemically27 biogeochemicals27 biographically27 hydrobiological27 biofeedbacks26 biogeochemical26 biogeographical26 biomathematical26 biorhythmic26 biostratigraphy26 bioavailability25 biofeedback25 biohazards25 biomathematics25 biophysicists25 exobiological25 hydrobiologists25 hydrobiology25 nonbiographical25 photobiological25 symbiotically25 amphibiously24 autobiographic24 autobiography24 biochemistry24 biogeographic24 biogeography24 biohazard24 biomechanical24 biophysicist24 biotechnology24 chronobiologic24 chronobiology24 cryobiological24 hydrobiologies24 hydrobiologist24 microbiological24 amphibiousness23 autobiographers23 autobiographies23 biochemicals23 biochemistries23 biocompatible23 bioelectricity23 biogeographers23 biogeographies23 bioluminescence23 biomechanics23 biophysical23 biorhythms23 biosystematics23 biotechnologies23 biotechnologist23 chronobiologies23 chronobiologist23 endosymbiotic23 exobiologists23 exobiology23 gnotobiotically23 nonbiologically23 parabiotically23 pathobiology23 photobiologic23 photobiologists23 photobiology23 autobiographer22 biochemical22 biogenetically22 biogeographer22 biographical22 biometeorology22 biophysics22 biorhythm22 bioscientific22 biosynthetic22 biosystematic22 biosystematists22 cryobiologists22 cryobiology22 exobiologies22 exobiologist22 microbiologic22 microbiologists22 microbiology22 paleobiological22 pathobiologies22 photobiologies22 photobiologist22 sociobiological22 xenobiotics22 abiogenically21 antibiotically21 bioactivity21 bioconversions21 biodiversity21 biomorphic21 biosystematist21 biotechnical21 cryobiologies21 cryobiologist21 endosymbionts21 endosymbioses21 endosymbiosis21 microbiologies21 microbiologist21 radiobiological21 xenobiotic21 bioactivities20 biochemists20 bioconversion20 biodegradable20 biodegradations20 biodiversities20 biodynamic20 biographic20 biography20 biologically20 bioluminescent20 biopolymers20 biosyntheses20 biosynthesis20 endosymbiont20 neurobiological20 paleobiologic20 paleobiologists20 paleobiology20 prebiological20 sociobiologists20 sociobiology20 aerobiological19 amphibious19 bioavailable19 biochemist19 bioclimatic19 biodegradation19 bioelectrical19 bioengineerings19 bioethicists19 biographees19 biographers19 biographies19 biomedicines19 biometricians19 biopolymer19 biospheric19 biostatistician19 biotelemetric19 biotelemetry19 macrobiotic19 paleobiologies19 paleobiologist19 radiobiologic19 radiobiologists19 radiobiology19 sociobiologies19 sociobiologist19 tibiofibulae19 tibiofibulas19 abiotically18 astrobiologists18 astrobiology18 bioacoustics18 biocycles18 biodegrading18 bioenergetics18 bioengineering18 bioethicist18 biographee18 biographer18 biomedicine18 biometrician18 biomolecular18 biomolecules18 biosocially18 biostatistical18 biotelemetries18 biotoxins18 neurobiologists18 neurobiology18 nonantibiotics18 nonbiological18 novobiocins18 prebiologic18 radiobiologies18 radiobiologist18 symbiotic18 tibiofibula18 aerobiology17 astrobiologies17 astrobiologist17 bioassaying17 biochips17 biocycle17 biodegraded17 bioelectric17 bioenergetic17 bioengineered17 bioethical17 biofoulings17 biomedical17 biometrical17 biomolecule17 biopsying17 biosafety17 biosciences17 bioscientists17 bioscopy17 biospheres17 biostatistics17 biotoxin17 biotypic17 neurobiologies17 neurobiologist17 nonantibiotic17 novobiocin17 abiological16 aerobiologies16 bioactive16 bioassayed16 biochip16 biodegrades16 bioethics16 biofouling16 biologicals16 biologistic16 biomaterials16 biometrics16 biosafeties16 bioscience16 bioscientist16 bioscopies16 biosphere16 dubiousnesses16 gnotobiotic16 labiovelars16 nonbiologists16 parabiotic16 symbionts16 symbioses16 symbiosis16 symbiotes16 antibiotics15 biocoenoses15 biocoenosis15 biocontrols15 biodegrade15 bioengineers15 bioethic15 biogenetic15 bioherms15 biological15 biologisms15 biolytic15 biomaterial15 biometric15 biometry15 bionomics15 bioplasms15 bioreactors15 bioscopes15 biotechs15 biotypes15 cellobioses15 dubiously15 endobiotic15 labiodentals15 labiovelar15 nonbiologist15 prebiotic15 symbions15 symbiont15 symbiote15 symbiots15 abiogeneses14 abiogenesis14 abiogenic14 abiogenists14 anaerobioses14 anaerobiosis14 antibiotic14 bioassays14 biocenoses14 biocenosis14 biocontrol14 bioengineer14 bioherm14 biologics14 biologism14 biometries14 bionomic14 bionomy14 bioplasm14 bioreactor14 bioscope14 biotech14 biotype14 cellobiose14 dubiousness14 labiodental14 parabioses14 parabiosis14 scabiouses14 symbion14 symbiot14 abiogenist13 bioassay13 biocidal13 biocides13 biogeneses13 biogenesis13 biogenic13 biogeny13 biologic13 biologists13 biology13 biolyses13 biolysis13 biomasses13 bionomies13 biopics13 biopsic13 biopsied13 biopsy13 bioptic13 biosocial13 biovular13 scabiosas13 aerobioses12 aerobiosis12 antibioses12 antibiosis12 biocide12 bioclean12 biogasses12 biogenies12 biogenous12 biologies12 biologist12 biopic12 biopsies12 biosensors12 biotical12 biotitic12 biotopes12 gobioids12 scabiosa12 scabious12 abiotic11 biogases11 biomass11 bionics11 biontic11 biosensor11 biotics11 biotope11 gobioid11 biogens10 biomes10 bionic10 biotic10 biotites10 biotrons10 dubious10 eobionts10 gabions10 abioses9 abiosis9 biogas9 biogen9 biome9 biotins9 biotite9 biotron9 eobiont9 gabion9 rubious9 bionts8 biotas8 biotin8 biont7 biota7 bios6 bio5

Why BIO words matter

Words containing BIO are handy for Scrabble, Words with Friends and word puzzles — filter the list above by length to find the play you need.

A quick statistical tour

Inside this list: 390 words spanning 3–15 letters. The biggest cluster sits at 11 letters (49 words), 3 entries are Wordle-sized at five letters, and 30 run to seven — bingo length if you can empty the rack. For points, the ceiling is PSYCHOBIOGRAPHY, worth 36.

The five biggest scorers on the page: PSYCHOBIOGRAPHY (36), BIOMECHANICALLY (29), PSYCHOBIOLOGIC (29), PSYCHOBIOLOGY (29), BIOGEOCHEMISTRY (28). The longest entry is ASTROBIOLOGISTS at 15 letters, and the average word here is worth about 18 points. Letter-wise, O is the workhorse — it appears in 390 of these words, ahead of I (390) and B (390).

Start with these three

BIONTS is easy to keep in memory: 6 letters, 8 points, and no awkward tiles to hunt for.
Playing BIOTAS across a double-word square turns its base 8 points into 16 — solid value for 6 tiles.
BIOTIN — 6 letters for 8 points; every tile in it is a common draw, so it shows up rack after rack.

Five more everyday options from the same list: BIONT (7), BIOTA (7), BIOS (6), BIOGAS (9), BIOGEN (9).

One chunk, many words: BIO

Letter chunks like BIO are how vocabulary compounds: learn the pattern once and every word built on it gets easier to recall and to spell. Read down this list and you will see the same rhythm repeat across lengths — that repetition is exactly what makes these words stick for spelling bees, ESL study and crossword pattern-matching alike.

More high-value letters

Find more specific words

Need to narrow by starting letter, ending letter or a Wordle pattern? Use the Word Finder.