Etymology is our friend: "div" is usually no good:
Divorce, divide, divagate
diversity (n.)
mid-14c., "quality of being diverse," mostly in a neutral sense, from Old French diversité (12c.) "difference, diversity, unique feature, oddness:" also "wickedness, perversity," from Latin diversitatem (nominative diversitas) "contrariety, contradiction, disagreement;" also, as a secondary sense, "difference, diversity," from diversus "turned different ways" (in Late Latin "various"), past participle of divertere (see
divert).
divert (v.)
early 15c., from Middle French divertir (14c.), from Latin divertere "to turn in different directions," blended with devertere "turn aside," from dis- "aside" and de- "from" + vertere "to turn" (see
versus). Related: Diverted; diverting
diverge (v.)
1660s, from Modern Latin divergere "go in different directions," from dis- "apart" (see
dis-) + vergere "to bend, turn" (see
verge (v.)). Originally a term in optics; the figurative sense is 19c. Related: Diverged; diverging.
divers (adj.)
mid-13c., "not alike" (sense now in diverse); late 13c., "separate, distinct; various," from Old French divers (11c.) "different, various, singular, odd, exceptional, wretched, treacherous, perverse," from Latin diversus "turned different ways," in Late Latin "various," past participle of divertere (see
divert)
diverse (adj.)
c. 1300, spelling variant of
divers (q.v.), perhaps by analogy with converse, traverse, etc. In some cases directly from Latin diversus, and since c. 1700 restricted to the meaning "different in character or quality." Related: Diversely.
diversion (n.)
early 15c., "diverse condition;" c. 1600 "act of diverting," from Middle French diversion, from Late Latin diversionem (nominative diversio), noun of action from past participle stem of Latin divertere (see
divert).
Sense of "amusement, entertainment" is first recorded 1640s. Hence, divertimento (1823), from the Italian form; originally "a musical composition designed primarily for entertainment."
divert (v.)
early 15c., from Middle French divertir (14c.), from Latin divertere "to turn in different directions," blended with devertere "turn aside," from dis- "aside" and de- "from" + vertere "to turn" (see
versus). Related: Diverted; diverting.
diverticulum (n.)
"blind tube" (anatomical), 1819, Modern Latin, from Latin deverticulum "a bypath," from devertere "to turn aside" (see
divert).
divest (v.)
1560s, devest (modern spelling is c. 1600), from Middle French devester "strip of possessions," from Old French desvestir, from des- "away" (see
dis-) +vestir "to clothe" (see
vest (v.)).
The figurative sense of "strip of possessions" is earliest in English; reflexive sense of "to strip oneself of" is from c. 1600. Economic sense (implied indivestment) is from 1955. Related: Divested; divesting.
divide (v.)
early 14c., from Latin dividere "to force apart, cleave, distribute," from dis- "apart" (see
dis-) + -videre "to separate," from PIE root *weidh- "to separate" (see
widow; also see
with).
Mathematical sense is from early 15c. Divide and rule (c. 1600) translates Latin divide et impera, a maxim of Machiavelli. Related: Divided; dividing.
Also, a dive bar: a place you oughtn't be.