haecceity vs kernel

haecceity and kernel both are nouns.

Word	Noun	Adjective	Verb	Adverb
haecceity	Yes	No	No	No
kernel	Yes	No	No	No

As nouns, kernel is a hypernym of haecceity; that is, kernel is a word with a broader meaning than haecceity:

haecceity: the essence that makes something the kind of thing it is and makes it different from any other
kernel: the choicest or most essential or most vital part of some idea or experience

haecceity (noun)	kernel (noun)
the essence that makes something the kind of thing it is and makes it different from any other	the choicest or most essential or most vital part of some idea or experience
	a single whole grain of a cereal
	the inner and usually edible part of a seed or grain or nut or fruit stone