wed
imp
The 3-letter word for "sick" is "ill." If you take away one letter (the "i"), you are left with "ll," and by adding two letters (such as "a" and "s"), you can form the word "all."
A single letter. 33.3% equals 1/3. 1/3 of the word 'eel' would be one letter.
Because there is one letter in "i" and 4 letters in "love " and three in "you"
One three lettered word for each is all, any, or one.
Ham
Are is the three letter word. Add an A to the end and you have Area.
Settee
One possibility is the word sac.
Cameo.
There are 3 in your question!
One option is paw.