dickey-seat vs dicky-seat

dickey-seat and dicky-seat both are nouns.

Word	Noun	Adjective	Verb	Adverb
dickey-seat	Yes	No	No	No
dicky-seat	Yes	No	No	No

As nouns, dickey-seat and dicky-seat are synonyms defined as:

dickey-seat and dicky-seat: a small third seat in the back of an old-fashioned two-seater

Other synonyms of dickey-seat include dickey, dickie-seat, dickie, dicky.

dickey-seat (noun)	dicky-seat (noun)
a small third seat in the back of an old-fashioned two-seater	a small third seat in the back of an old-fashioned two-seater