transpire vs hap

transpire is not a noun while hap is a noun.

Word	Noun	Adjective	Verb	Adverb
transpire	No	No	Yes	No
hap	Yes	No	Yes	No

As verbs, hap is a hypernym of transpire; that is, hap is a word with a broader meaning than transpire:

Other hypernyms of transpire include come about, fall out, go on, happen, occur, pass, pass off, take place.

transpire (noun)	hap (noun)
	an accidental happening

transpire (verb)	hap (verb)
give off (water) through the skin	come to pass
come to light; become known
exude water vapor
come about, happen, or occur
pass through the tissue or substance or its pores or interstices, as of gas