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ruse: ruse: [15] Ruse and rush ‘hurry’ are ultimately the same word. Both come from Old French ruser ‘drive back, detour’. From this was derived the noun ruse, which brought the sense ‘detour, deviation’ with it into English. It was used in the context of a hunted animal dodging about and doubling back on its tracks to throw off its pursuers, and this led in the early 17th century to the emergence of the metaphorical sense ‘trick, stratagem’.

The precise origins of Old French ruser are uncertain. It is generally referred to Latin recūsāre ‘refuse’, source of English recusant and possibly of refuse, but it has also been speculated that it came via a Vulgar Latin *rursāre or *rusāre from Latin rursus ‘backwards’.
=> rush
rush: rush: English has two words rush. The plantname [OE] goes back to a prehistoric Germanic *rusk-, which also produced German and Dutch rusch, and may be related to Latin restis ‘rush’. Rush ‘hurry’ [14] goes back ultimately to Old French ruser ‘drive back, detour’, source of English ruse. It reached English via Anglo- Norman russher, where until the 17th century it was used in its original sense ‘drive back, repulse’. The sense ‘hurry’ developed in Anglo- Norman, presumably from some association of the sound of the word with ‘hurrying’.
=> ruse
rebate (v.): late 14c., "to reduce;" early 15c., "to deduct, subtract," from Old French rabattre "beat down, drive back," also "deduct," from re- "repeatedly" (see re-) + abattre "beat down" (see abate). Meaning "to pay back (a sum) as a rebate" is from 1957. Related: Rebated; rebating.
recoil (v.): early 13c. (transitive) "force back, drive back," from Old French reculer "to go back, give way, recede, retreat" (12c.), from Vulgar Latin *reculare, from Latin re- "back" (see re-) + culus "backside, bottom, fundament." Meaning "shrink back, retreat" is first recorded c. 1300; and that of "spring back" (as a gun) in 1520s. Related: Recoiled; recoiling.
redact (v.): early 15c., "bring into organized form," from Latin redactus, past participle of redigere "to drive back, force back; bring back; collect, call in; bring down, reduce," from re- "back, again" (see re-) + agere "to drive" (see act (n.)). Specific meaning "arrange, edit" is from 1851.
refute (v.): 1510s, "refuse, reject," from Middle French réfuter (16c.) and directly from Latin refutare "drive back; rebut, disprove; repress, repel, resist, oppose," from re- "back" (see re-) + -futare "to beat," probably from PIE root *bhau- "to strike down" (see bat (n.1)).

Meaning "prove wrong" dates from 1540s. Since c. 1964 linguists have frowned on the subtle shift in meaning towards "to deny," as it is used in connection with allegation. Related: Refuted; refuting.
repel (v.): early 15c., "to drive away, remove," from Old French repeller or directly from Latin repellere "to drive back," from re- "back" (see re-) + pellere "to drive, strike" (see pulse (n.1)). Meaning "to affect (a person) with distaste or aversion" is from 1817. Related: Repelled; repelling.
repulse (v.): early 15c., from Latin repulsus, past participle of repellere "drive back, reject" (see repel). Related: Repulsed; repulsing.
reverberate (v.): 1570s, "beat back, drive back, force back," from Latin reverberatus, past participle of reverberare "strike back, repel, cause to rebound" (see reverberation). Meaning "re-echo" is from 1590s. Earlier verb was reverberen (early 15c.). Related: Reverberated; reverberating.
rush (v.): mid-14c. (implied in rushing), "to drive back or down," from Anglo-French russher, from Old French ruser "to dodge, repel" (see ruse). Meaning "to do something quickly" is from 1650s; transitive sense of "to hurry up (someone or something)" is from 1850. U.S. Football sense originally was in rugby (1857).

Fraternity/sorority sense is from 1896 (originally it was what the fraternity did to the student); from 1899 as a noun in this sense. Earlier it was a name on U.S. campuses for various tests of strength or athletic skill between freshmen and sophomores as classes (1860).
nug: "To nudge or prod", Mid 19th cent. Partly from the unattested Norn reflex of the Scandinavian word represented by Icelandic nugga to rub, Norwegian nugge to push, nudge, rub, scrape (probably from the same Scandinavian base as Norwegian gnugge, Old Swedish gnugga (Swedish gnugga), all in sense ‘to rub’, perhaps ultimately from an ablaut variant of the Indo-European base of ancient Greek χναύειν to nibble), and partly from the unattested Norn reflex of the Scandinavian word represented by Old Icelandic hnyggja to push or drive back, Norwegian (Nynorsk) nyggja to rub, bump, push (originally a variant of the Scandinavian word represented by Old Icelandic hnøggva to push or drive back, Norwegian (Nynorsk) nøgga to startle, cognate with Old High German hniuwan to knock over, break in pieces (Middle High German niuwen, nūwen), ultimately from the same Indo-European base as ancient Greek κνύειν to scratch).