regularly vs irregularly

regularly and irregularly both are adverbs.

Word	Noun	Adjective	Verb	Adverb
regularly	No	No	No	Yes
irregularly	No	No	No	Yes

regularly (adverb)	irregularly (adverb)
in a regular manner	in an inconstant manner, not according to fixed rate or schedule
in a regular way without variation	at an uneven rate
having a regular form	having an irregular form