Is there a noun-form of the word 'intrinsic'?

Is there a noun-form of the word 'intrinsic'?

Is there a noun-form of the word 'intrinsic'? If so, what is it?
Intrinsicity? I suppose I could say 'the intrinsic nature of...', but it
makes grammar awkward when there are multiple subjects to your sentence,
eg: "In regards to your belief in the intrinsic nature of the insult which
lies in calling someone a ____, I'd argue that..."