| Vocable | Translation |
| bifax, bifacis M Adjective | two-faced |
| bifer/bifera/biferum, AO Adjective | bearing twice, bearing fruit or flowers twice a y… |
| biferus/bifera/biferum, AO Adjective | compounded of two animals, two-fold form, heterog… |
| bifestus/bifesta/bifestum, AO Adjective | doubly festive, [~ dies => twofold festival] |
| bifidatus/bifidata/bifidatum, AO Adjective | cloven, cleft, forked, divided in two parts |
| bifidus/bifida/bifidum, AO Adjective | cloven, cleft, forked, divided in two parts |
| bifissus/bifissa/bifissum, AO Adjective | cloven, cleft, forked, divided in two parts |
| biforis/bifore, biforis M Adjective | having two leaves/casements (door/window)/opening… |
| biformatus/biformata/biformatum, AO Adjective | of double form, two formed, consisting of two par… |
| biformis/biforme, biformis M Adjective | of double form, two formed, consisting of two par… |
| biforus/bifora/biforum, AO Adjective | having two leaves/casements (door/window)/opening… |
| bifrons, bifrontis M Adjective | two-faced, with/having two faces, having two fore… |
| bifurcus/bifurca/bifurcum, AO Adjective | two-forked, two pronged, bifurcated |
| bigamus/bigama/bigamum, AO Adjective | twice married |
| bigatus/bigata/bigatum, AO Adjective | stamped (coin) with a representation of bigae (tw… |
| bigeminus/bigemina/bigeminum, AO Adjective | doubled |
| bigemmis/bigemme, bigemmis M Adjective | having two buds, set with two precious stones |
| bigener/bigenera/bigenerum, AO Adjective | from two different races, hybrid, mongrel |
| bigenus/bigena/bigenum, AO Adjective | hybrid |
| bigus/biga/bigum, AO Adjective | yoked two together |
| bijugis/bijuge, bijugis M Adjective | two horsed, yoked two abreast, from a chariot |
| bijugus/bijuga/bijugum, AO Adjective | two horsed, yoked two abreast, double, a pair of,… |
| bikinianus/bikiniana/bikinianum, AO Adjective | bikini-like |
| bilanx, bilancis M Adjective | having two scales (balance) |
| bilateralis/bilaterale, bilateralis M Adjective | bilateral, mutual |
| bilibralis/bilibrale, bilibralis M Adjective | two-pound, weighing/containing two pounds |
| bilibris/bilibre, bilibris M Adjective | two-pound, weighing/containing two pounds |
| bilinguis/bilingue, bilinguis M Adjective | two-tongued, speaking two/jumbled languages, trea… |
| biliosus/biliosa/biliosum, AO Adjective | full of bile, bilious |
| bilix, bilicis M Adjective | having two threads, with a double thread, double/… |