What is the meaning of Noninvertible?

5-letter words containing

• 5-letter words containing t

• 5-letter words containing t

• 5-letter words containing i

• 5-letter words containing g

• 5-letter words containing n

5-letter words starting with

• 5-letter words starting with a

• 5-letter words starting with i

• 5-letter words starting with e

• 5-letter words starting with r

• 5-letter words starting with a

5-letter words in the middle

• 5-letter words in the middle b

• 5-letter words in the middle n

• 5-letter words in the middle f

• 5-letter words in the middle r

• 5-letter words in the middle u

5-letter words ending with

• 5-letter words ending with a

• 5-letter words ending with s

• 5-letter words ending with p

• 5-letter words ending with A

• 5-letter words ending with u

5-letter words excluding

• 5-letter words excluding e

• 5-letter words excluding s

• 5-letter words excluding a

• 5-letter words excluding t

• 5-letter words excluding l