inkling vs suggestion

inkling and suggestion both are nouns.

Word	Noun	Adjective	Verb	Adverb
inkling	Yes	No	No	No
suggestion	Yes	No	No	No

As nouns, suggestion is a hypernym of inkling; that is, suggestion is a word with a broader meaning than inkling:

inkling (noun)	suggestion (noun)
a slight suggestion or vague understanding	the act of inducing hypnosis
	an idea that is suggested
	the sequential mental process in which one thought leads to another by association
	a proposal offered for acceptance or rejection
	persuasion formulated as a suggestion
	a just detectable amount