What is the meaning of Significant_digit?

5-letter words containing

• 5-letter words containing a

• 5-letter words containing a

• 5-letter words containing z

• 5-letter words containing o

• 5-letter words containing n

5-letter words starting with

• 5-letter words starting with a

• 5-letter words starting with e

• 5-letter words starting with t

• 5-letter words starting with l

• 5-letter words starting with s

5-letter words in the middle

• 5-letter words in the middle r

• 5-letter words in the middle f

• 5-letter words in the middle k

• 5-letter words in the middle t

• 5-letter words in the middle e

5-letter words ending with

• 5-letter words ending with s

• 5-letter words ending with p

• 5-letter words ending with l

• 5-letter words ending with n

• 5-letter words ending with n

5-letter words excluding

• 5-letter words excluding g

• 5-letter words excluding s

• 5-letter words excluding s

• 5-letter words excluding i

• 5-letter words excluding v