As verbs the difference between unpurse and unparse
is that unpurse is to bring (one's lips) back from a pursed expression while unparse is to perform the reverse operation of parsing upon.
unpurse
English
Verb
(unpurs)
To bring (one's lips) back from a pursed expression.
unparse
English
Verb
(unpars)
(comptheory) To perform the reverse operation of parsing upon.