What is the meaning of Sub-system?

5-letter words containing

• 5-letter words containing m

• 5-letter words containing u

• 5-letter words containing r

• 5-letter words containing a

• 5-letter words containing a

5-letter words starting with

• 5-letter words starting with r

• 5-letter words starting with l

• 5-letter words starting with k

• 5-letter words starting with n

• 5-letter words starting with o

5-letter words in the middle

• 5-letter words in the middle t

• 5-letter words in the middle n

• 5-letter words in the middle t

• 5-letter words in the middle l

• 5-letter words in the middle e

5-letter words ending with

• 5-letter words ending with e

• 5-letter words ending with s

• 5-letter words ending with t

• 5-letter words ending with s

• 5-letter words ending with n

5-letter words excluding

• 5-letter words excluding v

• 5-letter words excluding n

• 5-letter words excluding t

• 5-letter words excluding a

• 5-letter words excluding e