What is the meaning of Floating-point_operation?

5-letter words containing

• 5-letter words containing r

• 5-letter words containing y

• 5-letter words containing e

• 5-letter words containing f

• 5-letter words containing a

5-letter words starting with

• 5-letter words starting with w

• 5-letter words starting with k

• 5-letter words starting with a

• 5-letter words starting with u

• 5-letter words starting with h

5-letter words in the middle

• 5-letter words in the middle b

• 5-letter words in the middle r

• 5-letter words in the middle t

• 5-letter words in the middle r

• 5-letter words in the middle h

5-letter words ending with

• 5-letter words ending with n

• 5-letter words ending with n

• 5-letter words ending with m

• 5-letter words ending with a

• 5-letter words ending with t

5-letter words excluding

• 5-letter words excluding s

• 5-letter words excluding u

• 5-letter words excluding e

• 5-letter words excluding s

• 5-letter words excluding n