No such word.If you are looking for the simple past tense of swim, you want swam
swims (SWIMS)
swam
SWIMS
"DEED" is a word that has rotational symmetry.
When typed in capital letters the word can be inverted to spell the same word.
In the sentence the word swims is used as a noun, so the sentence is perfectly correct.
definitely a verbtion. I invented that word because your too ignorant to not know that an action is a verb...
one of mine is NOW NO SWIMS ON MON
A seal.Its a seal.
SWIMS
SWIMS
NOON