chirrup vs peep

chirrup and peep both are nouns.

Word	Noun	Adjective	Verb	Adverb
chirrup	Yes	No	Yes	No
peep	Yes	No	Yes	No

As verbs, chirrup and peep are synonyms defined as:

Other synonyms of chirrup include cheep, chirp.

chirrup (noun)	peep (noun)
a series of chirps	a secret look
	the short weak cry of a young bird

chirrup (verb)	peep (verb)
make high-pitched sounds	appear as though from hiding
	make high-pitched sounds
	speak in a hesitant and high-pitched tone of voice
	look furtively
	cause to come into view