Spaceships rhymes with:
apprenticeships, airships, ambassadorships, apprenticeships, battleships, chairmanships, championships, dealership's, dealerships, dictatorships, directorships, distributorships, econships, fellowships, flagships, governorships, gunships, internships, judgeships, leadership's, leaderships, lightships, memberships, partnership's, partnerships, professorships, proprietorships, receiverships, relationships, scholarships, sponsorships, township's, warships
Spaceships sounds like:
specific, specifics, specifies