braid vs plait

braid and plait both are nouns.

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

As nouns, braid and plait are synonyms defined as:

Other synonyms of braid include tress, twist.

As verbs, braid and plait are synonyms defined as:

Other synonyms of braid include lace.

braid (noun)	plait (noun)
trimming used to decorate clothes or curtains	any of various types of fold formed by doubling fabric back upon itself and then pressing or stitching into shape
a hairdo formed by braiding or twisting the hair	a hairdo formed by braiding or twisting the hair

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