lemon curd vs conserves

lemon curd and conserves both are nouns.

Word	Noun	Adjective	Verb	Adverb
lemon curd	Yes	No	No	No
conserves	Yes	No	No	No

As nouns, conserves is a hypernym of lemon curd; that is, conserves is a word with a broader meaning than lemon curd:

lemon curd: a conserve with a thick consistency; made with lemons and butter and eggs and sugar
conserves: fruit preserved by cooking with sugar

Other hypernyms of lemon curd include conserve, preserve, preserves.

lemon curd (noun)	conserves (noun)
a conserve with a thick consistency; made with lemons and butter and eggs and sugar	fruit preserved by cooking with sugar