perv vs paedophile

perv and paedophile both are nouns.

Word	Noun	Adjective	Verb	Adverb
perv	Yes	No	Yes	No
paedophile	Yes	No	No	No

As nouns, paedophile is a hyponym of perv; that is, paedophile is a word with a more specific, narrower meaning than perv:

perv: a person whose behavior deviates from what is acceptable especially in sexual behavior
paedophile: an adult who is sexually attracted to children

perv (noun)	paedophile (noun)
a person whose behavior deviates from what is acceptable especially in sexual behavior	an adult who is sexually attracted to children

perv (verb)	paedophile (verb)
look at with amorous intentions