halfpennyworth vs ha'p'orth

halfpennyworth and ha'p'orth both are nouns.

Word	Noun	Adjective	Verb	Adverb
halfpennyworth	Yes	No	No	No
ha'p'orth	Yes	No	No	No

As nouns, halfpennyworth and ha'p'orth are synonyms defined as:

halfpennyworth and ha'p'orth: the amount that can be bought for a halfpenny

halfpennyworth (noun)	ha'p'orth (noun)
the amount that can be bought for a halfpenny	the amount that can be bought for a halfpenny