delight vs pleasance

delight and pleasance both are nouns.

Word	Noun	Adjective	Verb	Adverb
delight	Yes	No	Yes	No
pleasance	Yes	No	No	No

As nouns, pleasance is a hypernym of delight; that is, pleasance is a word with a broader meaning than delight:

delight: a feeling of extreme pleasure or satisfaction
pleasance: a fundamental feeling that is hard to define but that people desire to experience

Other hypernyms of delight include pleasure.

delight (noun)	pleasance (noun)
something or someone that provides a source of happiness	a fundamental feeling that is hard to define but that people desire to experience
a feeling of extreme pleasure or satisfaction	a pleasant and secluded part of a garden; usually attached to a mansion

delight (verb)	pleasance (verb)
take delight in
give pleasure to or be pleasing to
hold spellbound