What is the meaning of Standard_variety?

5-letter words containing

• 5-letter words containing n

• 5-letter words containing u

• 5-letter words containing r

• 5-letter words containing i

• 5-letter words containing e

5-letter words starting with

• 5-letter words starting with s

• 5-letter words starting with k

• 5-letter words starting with r

• 5-letter words starting with l

• 5-letter words starting with e

5-letter words in the middle

• 5-letter words in the middle c

• 5-letter words in the middle k

• 5-letter words in the middle h

• 5-letter words in the middle s

• 5-letter words in the middle i

5-letter words ending with

• 5-letter words ending with p

• 5-letter words ending with f

• 5-letter words ending with a

• 5-letter words ending with s

• 5-letter words ending with u

5-letter words excluding

• 5-letter words excluding u

• 5-letter words excluding c

• 5-letter words excluding a

• 5-letter words excluding s

• 5-letter words excluding o