whoremonger vs pandar

whoremonger and pandar both are nouns.

Word	Noun	Adjective	Verb	Adverb
whoremonger	Yes	No	No	No
pandar	Yes	No	No	No

As nouns, pandar is a hypernym of whoremonger; that is, pandar is a word with a broader meaning than whoremonger:

whoremonger: a pimp who procures whores
pandar: someone who procures customers for whores (in England they call a pimp a ponce)

Other hypernyms of whoremonger include fancy man, pander, panderer, pimp, ponce, procurer.

whoremonger (noun)	pandar (noun)
a pimp who procures whores	someone who procures customers for whores (in England they call a pimp a ponce)
a prostitute's customer