pewit vs blackcap

pewit and blackcap both are nouns.

Word	Noun	Adjective	Verb	Adverb
pewit	Yes	No	No	No
blackcap	Yes	No	No	No

As nouns, pewit and blackcap are synonyms defined as:

Other synonyms of pewit include Larus ridibundus, laughing gull, pewit gull.

pewit (noun)	blackcap (noun)
large crested Old World plover having wattles and spurs	small brownish-grey warbler with a black crown
small olive-colored woodland flycatchers of eastern North America	chickadee having a dark crown
small black-headed European gull	small black-headed European gull
	raspberry native to eastern North America having black thimble-shaped fruit