These words drive me crazy. It must be insanely difficult to learn the English language! I update this regularly, so keep checking back for new entries, and let me know your favorite confusers.
arrant Extreme (arrant nonsense)
errant Traveling, straying
aural Relating to the ear or sense of hearing
baited Nagged or teased; set a trap
bated Restrained, reduced: bated breath
See my master list of all the homonyms, homophones, and other confusingly similar words I’ve posted to date