We don't have synonyms for missense yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are dispense, masseuse and misspense.
(n) :
(biology) A damaged DNA sequence that is meaningful but has an incorrect meaning, with the result that its products do not do what they are supposed to do.
(n) :
(biology) A damaged DNA sequence that is meaningful but has an incorrect meaning, with the result that its products do not do what they are supposed to do.