What is the meaning of Equational_class?

5-letter words containing

• 5-letter words containing e

• 5-letter words containing n

• 5-letter words containing t

• 5-letter words containing g

• 5-letter words containing a

5-letter words starting with

• 5-letter words starting with u

• 5-letter words starting with e

• 5-letter words starting with s

• 5-letter words starting with o

• 5-letter words starting with r

5-letter words in the middle

• 5-letter words in the middle a

• 5-letter words in the middle l

• 5-letter words in the middle r

• 5-letter words in the middle p

• 5-letter words in the middle h

5-letter words ending with

• 5-letter words ending with r

• 5-letter words ending with s

• 5-letter words ending with u

• 5-letter words ending with e

• 5-letter words ending with t

5-letter words excluding

• 5-letter words excluding e

• 5-letter words excluding e

• 5-letter words excluding r

• 5-letter words excluding n

• 5-letter words excluding e