tuppeny vs twopenny-halfpenny

tuppeny and twopenny-halfpenny both are adjectives.

Word	Noun	Adjective	Verb	Adverb
tuppeny	No	Yes	No	No
twopenny-halfpenny	No	Yes	No	No

As adjectives, tuppeny and twopenny-halfpenny are synonyms defined as:

Other synonyms of tuppeny include sixpenny, threepenny, two-a-penny, twopenny.

tuppeny (adjective)	twopenny-halfpenny (adjective)
of trifling worth	of trifling worth