redcap vs porter

redcap and porter both are nouns.

Word	Noun	Adjective	Verb	Adverb
redcap	Yes	No	No	No
porter	Yes	No	Yes	No

As nouns, porter is a hypernym of redcap; that is, porter is a word with a broader meaning than redcap:

redcap: a porter who helps passengers with their baggage at a railroad station
porter: a person employed to carry luggage and supplies

redcap (noun)	porter (noun)
a porter who helps passengers with their baggage at a railroad station	a very dark sweet ale brewed from roasted unmalted barley
a member of the military police in Britain	a person employed to carry luggage and supplies
	a railroad employee who assists passengers (especially on sleeping cars)
	someone who guards an entrance

redcap (verb)	porter (verb)
	carry luggage or supplies