Here's what rhymes with monofocal.
focal vocal local Words that almost rhyme with monofocal
mogul synagogal social foetal zonal sociale total noble mobile hopeful modal nodal tonal motile woeful asocial soulful unsocial nonsocial yodel bowlful global coastal postal coronal immobile calomel clonal doleful prosocial scrotal ennoble ambrosial atonal asphodel disposal antisocial mucosal psychosocial ignoble boastful mongrel antiphonal chamomile proposal monoclonal anecdotal multimodal sacerdotal reposeful polyclonal reproachful patrimonial