suggestion vs inkling

suggestion and inkling both are nouns.

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

As nouns, inkling is a hyponym of suggestion; that is, inkling is a word with a more specific, narrower meaning than suggestion:

Other hyponyms of suggestion include glimmer, glimmering, intimation, posthypnotic suggestion.

suggestion (noun)	inkling (noun)
the act of inducing hypnosis	a slight suggestion or vague understanding
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