What is the meaning of Unproven?

5-letter words containing

• 5-letter words containing r

• 5-letter words containing u

• 5-letter words containing n

• 5-letter words containing i

• 5-letter words containing i

5-letter words starting with

• 5-letter words starting with i

• 5-letter words starting with s

• 5-letter words starting with c

• 5-letter words starting with u

• 5-letter words starting with e

5-letter words in the middle

• 5-letter words in the middle e

• 5-letter words in the middle i

• 5-letter words in the middle u

• 5-letter words in the middle o

• 5-letter words in the middle l

5-letter words ending with

• 5-letter words ending with u

• 5-letter words ending with t

• 5-letter words ending with e

• 5-letter words ending with d

• 5-letter words ending with n

5-letter words excluding

• 5-letter words excluding i

• 5-letter words excluding s

• 5-letter words excluding k

• 5-letter words excluding s

• 5-letter words excluding k