release, n. [liberation], [discharge], [deliverance], acquittance, extrication, exoneration, disengagement, [freedom].
relentless, a. [ruthless], [implacable], [unrelenting], [inexorable], [unmerciful].
relevancy, n. pertinency, applicability, relevance.
relevant, a. [pertinent], [germane], apposite.
reliability, n. trustworthiness.
reliable, a. trustworthy, [trusty], [dependable].
reliance, n. [dependence], [confidence], [trust].
reliant, a. [confident], trusting.
relics, n. pl. [leavings], [remains], reliquiæ, remnants; [memorial], [souvenir], [memento], trophy, [keepsake]. Associated words: reliquary, [confession], hierotheca.
relict, n. [widow].