Openings rhymes with:
happenings, fastenings, happenings, poisonings, questionings, seasonings, tightenings, bannings, beginnings, browning's, burnings, canings, corning's, drownings, earnings, earnings', evening's, evenings, fanning's, fastenings, happenings, hennings, innings, jennings, leanings, lightnings, linings, manning's, meanings, mining's, morning's, mornings, pennings, poisonings, questionings, runnings, screenings, seasonings, signings, tightenings, underpinnings, vining's, warnings, winings, winnings, yearnings
Openings sounds like:
obeying, obnoxious, offense, offenses, offing, opening, openness, opens, openshaw, opines, opining, opinions, oppens, ovens, ovonic