Образуйте существительные из следующих глаголов и прилагательных

to speak to buy to destoroy to create to dump to picnic to operate to illustrate to radiate to cooperate calm ill soft ready dark

To speak - speaker

to buy - buyer

to destroy - destroyer/destruction

to create - creator

to dump - dump

to picnic - picnic

to operate - operator

to illustrate - illustrator

to radiate - radiator

to cooperate - cooperator

calm - calmness

ill - illness

soft - softness

ready - readiness

dark - darkness