sow one's wild oats vs sow one's oats

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

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

As verbs, sow one's wild oats and sow one's oats are synonyms defined as:

sow one's wild oats and sow one's oats: live promiscuously and self-indulgently

sow one's wild oats (verb)	sow one's oats (verb)
live promiscuously and self-indulgently	live promiscuously and self-indulgently