"Close-Confusers"

 
 
Homonyms and "closely confused" words
 
they're/their/there
its/it's
then/than
further/ farther
these ones = these
off of = off
may/can
good/well
alot = a lot
to/too/two
who/whom
would of = would've (have)
could of = could've (have)
should of = should've (have)