Common words that rhyme with relevant include irrelevant, servant, instant, significant, brilliant, indignant, insignificant, extant, distant, unpleasant, valiant, radiant, fulgurant, vibrant and buoyant.
That detail is completely irrelevant today.
The smell triggered instant disgust.
A significant difference is evident.
The court issued a warrant for his absconding.
Everyone praised her brilliant performance.
His comment seemed insignificant in the grand scheme.