What is the meaning of Nondegenerate?

5-letter words containing

• 5-letter words containing u

• 5-letter words containing f

• 5-letter words containing d

• 5-letter words containing t

• 5-letter words containing u

5-letter words starting with

• 5-letter words starting with u

• 5-letter words starting with l

• 5-letter words starting with s

• 5-letter words starting with d

• 5-letter words starting with e

5-letter words in the middle

• 5-letter words in the middle a

• 5-letter words in the middle o

• 5-letter words in the middle h

• 5-letter words in the middle a

• 5-letter words in the middle r

5-letter words ending with

• 5-letter words ending with n

• 5-letter words ending with l

• 5-letter words ending with e

• 5-letter words ending with o

• 5-letter words ending with v

5-letter words excluding

• 5-letter words excluding u

• 5-letter words excluding m

• 5-letter words excluding o

• 5-letter words excluding c

• 5-letter words excluding e