Here's what rhymes with recombinant.

Consider these alternatives

antibody / body antibodies / bodies transgenic / academic purified / side erythropoietin / avoiding polymerase / case albumin / human assays / days nucleic / archaic gonadotropin / antigonadotropin microarray / they antisense / sense splicing / driving synthetic / magnetic synthesize / size probiotic / logic synthesizing / rising protease / days activator / later microarrays / days