What is the meaning of Equational_class?

5-letter words containing

• 5-letter words containing a

• 5-letter words containing c

• 5-letter words containing t

• 5-letter words containing e

• 5-letter words containing d

5-letter words starting with

• 5-letter words starting with d

• 5-letter words starting with n

• 5-letter words starting with o

• 5-letter words starting with t

• 5-letter words starting with i

5-letter words in the middle

• 5-letter words in the middle c

• 5-letter words in the middle l

• 5-letter words in the middle e

• 5-letter words in the middle e

• 5-letter words in the middle e

5-letter words ending with

• 5-letter words ending with d

• 5-letter words ending with o

• 5-letter words ending with k

• 5-letter words ending with i

• 5-letter words ending with s

5-letter words excluding

• 5-letter words excluding e

• 5-letter words excluding i

• 5-letter words excluding o

• 5-letter words excluding m

• 5-letter words excluding i