Here's what rhymes with conspicuous.

Consider these alternatives

devotion / motion bravery / slavery ostentatious / basis distinguishing / extinguishing recognizable / advisable piety / variety identifiable / viable displaying / saying beak / seek uncommon / common recognisable / unrecognisable decoration / education emblematic / dramatic displayed / trade meritorious / glorious decorations / relations displays / days symbol / simple coloration / operation signifying / dying ornamentation / operation