| baínein |  | ba-[41] | | βαίνειν (baínein), βατός (batós), | acrobat, acrobatic, adiabatic, aerobatic, anabasis, anabatic, antiparabema, base, basic, basidiocarp, basidioma, basidiomycete, basidiospore, basidium, basion, basionym, basis, basophilic, bema, catabasis, catabatic, diabase, diabatic, diabetes, diabetic, dibasic, hyperbaton, hypobasis, katabasis, katabatic, monobasic, polybasic, stereobate, stylobate, tribasic |
| bállein |  | bal-, bel-, bol- | throw | βάλλειν (bállein), βολή (bolḗ), βλῆμα (blêma) | ametabolic, ametabolism, amphibole, amphibolic, amphibolite, amphibolous, amphiboly, anabolic, anabolism, astrobleme, ball, ballism, ballista, ballistic, ballistospore, belomancy, belonephobia, bolide, bolometer, catabolic, catabolism, devil, diabolic, emblem, emblematic, embolic, embolism, embolismic, embolize, embolon, embolus, emboly, hemiballismus, holometabolism, hyperbola, hyperbole, hyperbolic, hyperboloid, metabolic, metabolism, metabolite, metabolize, palaver, parable, parabola, parabolic, paraboloid, parle, parley, parol, parole, problem, problematic, symbol, symbolic, symbolism, symbolist, symbolize, symbology, taurobolium, thromboembolism |
| báptein |  | bapt- | dip | βάπτειν (báptein), βάμμα (bámma) | abaptiston, Anabaptist, baptism, baptize |
| barús |  | bar-[45] | weight, pressure | βαρύς (barús), βάρος (báros) | abarognosis, antibaryon, baresthesia, bariatric, baritone, barognosis, barogram, barograph, barometer, barometric, barophobia, barostat, barycentre, barycentric, baryogenesis, baryon, barysphere, baryton, barytone, hyperbaric, hypobaric, isobar, isobaric |
| bas |  | bas- | step | βάσις | |
| bathús |  | bath- | deep, depth | βαθύς (bathús), βάθος (báthos) | batholith, bathophobia, bathos, bathymetry, bathyscaphe, bathysphere, isobathic |
| b |  | bet- | B, b | beta | alphabet, alphabetic, analphabetic, panalphabetic, polyalphabetic |
| bíblos |  | bibl-[46] | book | βίβλος (bíblos), βιβλίον (biblíon) “book” | bible, biblioclasm, biblioclast, bibliogony, bibliographic, bibliography, biblioklept, bibliomancy, bibliomania, bibliophile, bibliophilia, bibliophobe, bibliophobia, bibliotaph |
| bioûn |  | bio-, bi-[47] | life | βιοῦν (bioûn), βίος (bíos) “life”, βιωτός (biōtós), βιωτικός (biōtikós), βίωσις (bíōsis) | abiogenesis, abiotic, aerobiology, anhydrobiosis, anoxybiosis, antibiotic, astrobiology, autobiography, biocentrism, biochron, biocoenosis, biogenesis, biographic, biography, biologism, biologist, biology, biome, biometric, biomorph, biomorphism, biophilia, biophysicist, biophysics, biopoiesis, biopolymer, biopsy, biorhythm, biosemiotic, biosphere, biostasis, biosynthesis, biota, biotic, biotin, biotope, biotype, biozone, chemobiosis, cryobiosis, cryptobiosis, ectosymbiosis, endosymbiont, endosymbiosis, enterobiasis, exobiology, macrobiotic, microbiology, osmobiosis, probiotic, symbiogenesis, symbiology, symbiont, symbiosis, symbiotic |
| blastánein |  | blast-[48] | germ, embryo, bud, cell with nucleus | βλαστάνειν (blastánein), “to sprout, bud”, βλαστός (blastós), βλάστημα (blástēma) | blastema, blastochyle, blastocoel, blastocoele, blastocyst, blastoderm, blastoma, blastula, cytotrophoblast, diploblasty, ectoblast, endoblast, entoblast, fibroblast, osteoblast, sideroblast |
| blénnos |  | blenn- | slime | βλέννος (blénnos) | blennadenitis, blennophobia, blennosperma, blennorrhagia |
| boll | | bol- | throw | | |
| bôlos |  | bol-[49] | clod, lump | βῶλος (bôlos) | bole, bolus, embolism |
| bomb |  | bomb-[50] | boom | βομβεῖν, βόμβος, βόμβησις | bomb, bound |
| botánē |  | botan- | plant | βοτάνη, βότανον (botánē, bótanon), βοτανικός | botanic, botanist, botanology, botany |
| brakhíōn |  | brachi-, brachio-, brachion-, brachioni- | arm | βραχίων (brakhíōn) | brachialgia, brachionerysipelas, brachionigraph, brachiorrhachidian, brachiosaurus |
| brakhús |  | brachy-[51] | short | βραχύς (brakhús) | amphibrach, brachistochrone, brachycephaly, brachydactyly, brachyury, dibrach, tribrach |
| bradús |  | brady-, bradys-[52] | slow | βραδύς (bradús), βράδος (brádos) | bradycardia, bradysuria, bradytelic |
| bránkhion |  | branchi- | gill | βράγχιον (bránkhion) | branchiopneustic, branchiopod, nudibranch |
| brôma |  | bromat-, bromato-, broma-, bromo- | food | βρῶμα (brôma) | bromatium, bromateccrisis, bromatherapy, bromatology, bromography |
| brómos |  | brom-[53] | oats | βρόμος, βρόμη (brómos, brómē) “oats” | brome, Bromus, Bromus ramosus |
| brômos |  | brom- | stench | βρῶμος (brômos) “stench, clangor” | bromate, bromide, bromine, bromoderma, organobromine |
| brónkhos |  | bronch-[54] | windpipe | βρόγχος (brónkhos), βρόγχια (brónkhia) | bronchia, bronchiole, bronchion, bronchitis, bronchomalacia, bronchopneumonia, bronchus, tracheobronchomalacia |
| brontḗ |  | bront-[55] | thunder | βροντή (brontḗ) | brontology, brontophobia, Brontosaurus |
| brotós |  | brot-[56] | mortal | βροτός (brotós) | ambrosia, ambrotype |
| boúturon |  | butyr-[57] | butter | βούτυρον (boúturon) | butyric |
| bussós |  | byss-[58] | bottom | βυσσός, βυσσοῦ (bussós, bussoû) | abyss, abyssopelagic, hypabyssal |
| bússos |  | byss-[59] | flax | βύσσος (bússos) | byssus |
