dickey vs shirtfront

dickey and shirtfront both are nouns.

Word	Noun	Adjective	Verb	Adverb
dickey	Yes	Yes	No	No
shirtfront	Yes	No	No	No

As nouns, dickey and shirtfront are synonyms defined as:

dickey and shirtfront: a man's detachable insert (usually starched) to simulate the front of a shirt

Other synonyms of dickey include dickie, dicky.

dickey (noun)	shirtfront (noun)
a man's detachable insert (usually starched) to simulate the front of a shirt	a man's detachable insert (usually starched) to simulate the front of a shirt
a small third seat in the back of an old-fashioned two-seater	the front of a shirt (usually the part not covered by a jacket)

dickey (adjective)	shirtfront (adjective)
(British informal) faulty