What is the meaning of Extension_field?

5-letter words containing

• 5-letter words containing l

• 5-letter words containing u

• 5-letter words containing n

• 5-letter words containing c

• 5-letter words containing m

5-letter words starting with

• 5-letter words starting with e

• 5-letter words starting with a

• 5-letter words starting with a

• 5-letter words starting with o

• 5-letter words starting with t

5-letter words in the middle

• 5-letter words in the middle p

• 5-letter words in the middle l

• 5-letter words in the middle e

• 5-letter words in the middle t

• 5-letter words in the middle u

5-letter words ending with

• 5-letter words ending with i

• 5-letter words ending with e

• 5-letter words ending with v

• 5-letter words ending with k

• 5-letter words ending with k

5-letter words excluding

• 5-letter words excluding d

• 5-letter words excluding a

• 5-letter words excluding a

• 5-letter words excluding c

• 5-letter words excluding e