Peel, fort or keep
choices
Bold
one has three letters, two has three letters, three has five letters, and four has four letters, and so on
The rhetorical question is nice. Either Four, Five, Nine.
How about 'four' = 4 letters
choices
Rite
able
wolf
peer
one has six letters and another has four letters
Another name for malaria that starts with an A and has 4 letters is ague.
gear
Said.
ache
Tame, meek
live