Online Etymology Dictionary

re-allocate (v.): also reallocate, by 1868, from re- + allocate. Related: Reallocated; reallocating.
re-allocation (n.): also reallocation, 1931, noun of action from reallocate (v.).
re-ally (v.): "to form an alliance again," c. 1600, from re- + ally (v.). Related: Re-allied.
re-animate (v.): also reanimate, 1610s, in spiritual and physical sense, from re- "back, again" + animate (v.) "to endow with life." Related: Reanimated; reanimating.
re-animation (n.): also reanimation, 1777, from re- + animation.
re-appear (v.): also reappear, 1610s, from re- "back, again" + appear. Related: Reappeared; reappearing.
re-appearance (n.): also reappearance, 1660s; see reappear + -ance.
re-apply (v.): also also reapply, 1723, from re- + apply. Related: Reapplied; reapplying.
re-apportion (v.): also reapportion, 1832, from re- + apportion. Related: Reapportioned; reapportioning.
re-apportionment (n.): also reapportionment, 1800, American English, from re- + apportionment.
re-arm (v.): also rearm, 1805 (implied in re-arming), from re- "back, again" + arm (v.) "to supply with arms." Related: Re-armed.
re-armament (n.): also rearmament, 1864; see re- + armament.
re-arrange (v.): also rearrange, 1798, from re- "back, again" + arrange. Related: Rearranged; rearranging; rearrangement.
re-assemble (v.): also also reassemble, late 15c., from re- + assemble. Related: Reassembled; reassembling; reassembler; reassembly.
re-assert (v.): also also reassert, 1660s, from re- + assert. Related: Reasserted; reasserting; reassertion.
re-assess (v.): also also reassess, 1803; see re- + assess. Related: Reassessed; reassessing.
re-assessment (n.): also also reassessment, 1751, from re- + assessment.
re-awaken (v.): also reawaken, 1810, from re- + awaken. Related: Reawakened; reawakening.
re-collect (v.): "to collect or gather again," c. 1600, from re- + collect (v.). Earlier simply "to collect" (1510s). Related: Re-collected; re-collecting.
re-cover (v.): "to put a new cover on," c. 1400, from re- "again" + cover (v.). Related: Re-covered; re-covering.
re-echo (v.): 1580s, from re- + echo (v.). Related: Re-echoed; re-echoing.
re-educate (v.): also reeducate, 1808, from re- + educate. Related: Re-educated; re-educating.
re-elect (v.): also reelect, c. 1600, from re- "back, again" + elect (v.). Related: Re-elected; re-electing.
re-enact (v.): also reenact, 1670s, from re- "back, again" + enact. Originally of laws, etc.; meaning "to perform again, reproduce" is recorded from 1854. Related: Re-enacted; re-enacting.
re-enactment (n.): also reenactment, 1780; see re-enact + -ment.
re-enactor (n.): 1965, agent noun from re-enact (v.). Specifically of one whose hobby or profession is to embody accurate historical presentation is in use by 1984, American English.
re-energize (v.): 1803, from re- + energize. Related: Re-energized; re-energizing.
re-enforce (v.): also reenforce, 1580s, "to give fresh strength to," from re- "back, again" + enforce (v.). Originally of persons or military units; of buildings, structures, etc., attested from 1883. Related: Re-enforced; re-enforcing.
re-enforcement (n.): c. 1600, from re- + enforcement.
re-enlist (v.): also reenlist, 1828, from re- "back, again" + enlist. Related: Re-enlisted; re-enlisting.
re-enter (v.): late 15c., from re- + enter. Related: Re-entered; re-entering.
re-entry (n.): also reentry, mid-15c., "act of entering again," from re- "again" + entry; probably on model of Middle French rentrer (12c.). Specifically of spacecraft from 1948.
re-establish (v.): also reestablish, late 15c.; from re- + establish. Related: Re-established; re-establishing.
re-evaluate (v.): also reevaluate, 1903, from re- + evaluate. Related: Reevaluated; reevaluating.
re-evaluation (n.): also reevaluation, 1905; noun of action from re-evaluate.
re-examine (v.): also reexamine, 1590s, from re- + examine. Related: Re-examined; re-examining.
re-form (v.): "form again," mid-14c., from re- + form (v.). Related: Re-formed; re-forming; re-formation.
re-formation (n.): early 15c., from re- + formation.
re-fund (v.): 1860, from re- + fund. Related: Re-funded; re-funding.
re-hear (v.): also rehear, 1680s, legal, from re- + hear. Related: Re-heard; re-hearing.
re-ignite (v.): also reignite, 1863, from re- + ignite. Related: Reignited; reigniting.
re-import (v.): also reimport, 1742, from re- + import (v.). Related: Re-imported; re-importing.
re-inter (v.): also reinter, 1610s, from re- + inter. Related: Re-interred; re-interring.
re-lay (v.): "to lay again," 1590s, from re- + lay (v.). Related: Re-laid; re-laying.
re-mark (v.): "to mark again," 1610s, from re- + mark (v.). Related: Re-marked; re-marking.
re-present (v.): "to offer again," 1560s, from re- + present (v.). Related: Re-presented; re-presenting; re-presentation.
re-presentation (n.): "a presenting again," 1805, from re- + presentation.
re-read (v.): also reread, 1782, from re- + read (v.). Related: Re-reading. As a noun, from 1973.
re-record (v.): 1930, from re- + record (v.). Related: Re-recorded; re-recording.
re-route (v.): also reroute, 1929, of mails, from re- "back, again" + route (v.). Related: Rerouted; rerouting.