What is the meaning of Unit_of_language?

5-letter words containing

• 5-letter words containing t

• 5-letter words containing e

• 5-letter words containing e

• 5-letter words containing i

• 5-letter words containing a

5-letter words starting with

• 5-letter words starting with m

• 5-letter words starting with u

• 5-letter words starting with a

• 5-letter words starting with a

• 5-letter words starting with a

5-letter words in the middle

• 5-letter words in the middle r

• 5-letter words in the middle e

• 5-letter words in the middle d

• 5-letter words in the middle w

• 5-letter words in the middle a

5-letter words ending with

• 5-letter words ending with f

• 5-letter words ending with e

• 5-letter words ending with l

• 5-letter words ending with e

• 5-letter words ending with s

5-letter words excluding

• 5-letter words excluding v

• 5-letter words excluding g

• 5-letter words excluding e

• 5-letter words excluding k

• 5-letter words excluding u