Here's what rhymes with negigible.
Words that almost rhyme with negigible
readable reachable teachable uneatable treatable unreadable unbeatable teetotal unteachable repeatable impeachable unimpeachable unrepeatable interpretable regional agreeable feasible peaceable achievable cleanable seasonal appreciable believable perceivable unfeasible inappreciable freezable squeezable unreasonable conceivable receivable unbelievable unspeakable interregional redeemable irredeemable useable teacupful concealable resealable disagreeable inconceivable foreseeable irretrievable indefeasible retrievable nonseasonal unuseable nonredeemable unforeseeable paracetamol