piddle away vs piddle

piddle away is not a noun while piddle is a noun.

Word	Noun	Adjective	Verb	Adverb
piddle away	No	No	Yes	No
piddle	Yes	No	Yes	No

As verbs, piddle away and piddle are synonyms defined as:

piddle away and piddle: waste time; spend one's time idly or inefficiently

Other synonyms of piddle away include trifle, wanton, wanton away.

piddle away (noun)	piddle (noun)
	liquid excretory product

piddle away (verb)	piddle (verb)
waste time; spend one's time idly or inefficiently	eliminate urine
	waste time; spend one's time idly or inefficiently