A word of one type (usually a noun) is reduced to form another word of a different type (usually a verb) is called
AConversion
BBackformation
CBlending
DDerivation
AConversion
BBackformation
CBlending
DDerivation
Related Questions:
Point out the noun clause in the sentence
"That Kathryn will succeed is certain":
Complete with a suitable clause :
If he had asked me ......................
Use Phrasal verb
The plane ....... after repairs