sow one's wild oats vs indulge

sow one's wild oats and indulge both are verbs.

Word	Noun	Adjective	Verb	Adverb
sow one's wild oats	No	No	Yes	No
indulge	No	No	Yes	No

As verbs, indulge is a hypernym of sow one's wild oats; that is, indulge is a word with a broader meaning than sow one's wild oats:

Other hypernyms of sow one's wild oats include gratify, pander.

sow one's wild oats (verb)	indulge (verb)
live promiscuously and self-indulgently	yield (to); give satisfaction to
	enjoy to excess
	treat with excessive indulgence
	give free rein to