What is the meaning of Backward_compatibility?

5-letter words containing

• 5-letter words containing k

• 5-letter words containing e

• 5-letter words containing n

• 5-letter words containing a

• 5-letter words containing a

5-letter words starting with

• 5-letter words starting with a

• 5-letter words starting with e

• 5-letter words starting with g

• 5-letter words starting with l

• 5-letter words starting with l

5-letter words in the middle

• 5-letter words in the middle r

• 5-letter words in the middle h

• 5-letter words in the middle t

• 5-letter words in the middle l

• 5-letter words in the middle e

5-letter words ending with

• 5-letter words ending with d

• 5-letter words ending with h

• 5-letter words ending with e

• 5-letter words ending with n

• 5-letter words ending with c

5-letter words excluding

• 5-letter words excluding u

• 5-letter words excluding i

• 5-letter words excluding i

• 5-letter words excluding a

• 5-letter words excluding f