change 'e' and you get noon
Another five-letter word for 'change' is 'alter.'
Morph
swap
site sireside
You can change the 'm' to a 't' to make wart.
Anagram
silt, slit
ertdf
Fuel
Change the A to a T to make "SOFT". Change the F to a M to make "SOMA"
Another word for "pointy" that changes only one letter from "share" is "sharp."
Richen.