What is the meaning of Parentheses?

5-letter words containing

• 5-letter words containing r

• 5-letter words containing o

• 5-letter words containing n

• 5-letter words containing a

• 5-letter words containing g

5-letter words starting with

• 5-letter words starting with a

• 5-letter words starting with t

• 5-letter words starting with m

• 5-letter words starting with e

• 5-letter words starting with l

5-letter words in the middle

• 5-letter words in the middle d

• 5-letter words in the middle l

• 5-letter words in the middle i

• 5-letter words in the middle s

• 5-letter words in the middle w

5-letter words ending with

• 5-letter words ending with c

• 5-letter words ending with e

• 5-letter words ending with a

• 5-letter words ending with d

• 5-letter words ending with m

5-letter words excluding

• 5-letter words excluding m

• 5-letter words excluding v

• 5-letter words excluding n

• 5-letter words excluding i

• 5-letter words excluding m