What is the meaning of Doomsday_rule?

5-letter words containing

• 5-letter words containing e

• 5-letter words containing a

• 5-letter words containing a

• 5-letter words containing l

• 5-letter words containing e

5-letter words starting with

• 5-letter words starting with s

• 5-letter words starting with r

• 5-letter words starting with n

• 5-letter words starting with d

• 5-letter words starting with m

5-letter words in the middle

• 5-letter words in the middle p

• 5-letter words in the middle a

• 5-letter words in the middle c

• 5-letter words in the middle n

• 5-letter words in the middle l

5-letter words ending with

• 5-letter words ending with o

• 5-letter words ending with e

• 5-letter words ending with i

• 5-letter words ending with k

• 5-letter words ending with e

5-letter words excluding

• 5-letter words excluding k

• 5-letter words excluding e

• 5-letter words excluding a

• 5-letter words excluding t

• 5-letter words excluding n