Attained rhymes with:
abstained, ascertained, contained, detained, entertained, maintained, obtained, pertained, retained, self-contained, stained, sustained, unstained
Attained sounds like:
adamant, adenoid, admit, admitted, atonement, attainment, attend, attended, attendee, attenuate, attenuated, attuned, auditioned, authement, automata, automate, automated