We don't have synonyms for blouse yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are louse, bouse and flouse.
(n) :
an outergarment, usually loose, that is similar to a shirt and reaches from the neck to the waist or below. Nowadays, in colloquial use, blouse refers almost always to a woman's shirt that buttons down the front
(n) :
an outergarment, usually loose, that is similar to a shirt and reaches from the neck to the waist or below. Nowadays, in colloquial use, blouse refers almost always to a woman's shirt that buttons down the front