pigtail vs braid

pigtail and braid both are nouns.

Word	Noun	Adjective	Verb	Adverb
pigtail	Yes	No	No	No
braid	Yes	No	Yes	No

As nouns, braid is a hypernym of pigtail; that is, braid is a word with a broader meaning than pigtail:

Other hypernyms of pigtail include plait, tress, twist.

pigtail (noun)	braid (noun)
a plait of braided hair	trimming used to decorate clothes or curtains
	a hairdo formed by braiding or twisting the hair

pigtail (verb)	braid (verb)
	form or weave into a braid or braids
	decorate with braids or ribbons
	make by braiding or interlacing