What is the meaning of Derived_functions?

5-letter words containing

• 5-letter words containing n

• 5-letter words containing i

• 5-letter words containing t

• 5-letter words containing l

• 5-letter words containing b

5-letter words starting with

• 5-letter words starting with v

• 5-letter words starting with e

• 5-letter words starting with n

• 5-letter words starting with e

• 5-letter words starting with a

5-letter words in the middle

• 5-letter words in the middle s

• 5-letter words in the middle i

• 5-letter words in the middle u

• 5-letter words in the middle r

• 5-letter words in the middle d

5-letter words ending with

• 5-letter words ending with l

• 5-letter words ending with l

• 5-letter words ending with n

• 5-letter words ending with f

• 5-letter words ending with m

5-letter words excluding

• 5-letter words excluding r

• 5-letter words excluding t

• 5-letter words excluding c

• 5-letter words excluding f

• 5-letter words excluding s