irregular vs randomised

irregular is a noun but randomised is not a noun.

Word	Noun	Adjective	Verb	Adverb
irregular	Yes	Yes	No	No
randomised	No	Yes	No	No

irregular (noun)	randomised (noun)
merchandise that has imperfections; usually sold at a reduced price without the brand name
a member of an irregular armed force that fights a stronger force by sabotage and harassment

irregular (adjective)	randomised (adjective)
contrary to rule or accepted order or general practice	set up or distributed in a deliberately random way
(of solids) not having clear dimensions that can be measured; volume must be determined with the principle of liquid displacement
(used of the military) not belonging to or engaged in by regular army forces
deviating from normal expectations; somewhat odd, strange, or abnormal
failing to meet a standard of manufacture due to an imperfection
lacking continuity or regularity
not occurring at a regular rate or fixed intervals
independent in behavior or thought
(of a surface or shape); not level or flat or symmetrical