Tactic rhymes with:
anticlimactic, chiropractic, climactic, didactic, extragalactic, galactic, lactic, prophylactic, antarctic, anticlimactic, apoplectic, arctic, chiropractic, climactic, dialectic, didactic, eclectic, extragalactic, galactic, hectic, lactic, pectic, prophylactic
Tactic sounds like:
tactics, takeshita's, taoists, tastes, test's, testes, tests, tests', texts, thickets, thoughts, ticket's, tickets, tights, toasts, toussaud's, tsetse, tuesday's, tuesdays, tussaud's, tuxedos, twists