as in vs much

as in

• In the sense of. 

• Used other than figuratively or idiomatically: see as, in. 

much

• To a great extent. 

• Often; frequently. 

• Used to indicate or compare extent. 

• A large amount or great extent. 

• Many ( + plural countable noun). 

• A large amount of. 

• Used to indicate, demonstrate or compare the quantity of something.