inspired by Sam's list... these aren't very good yet, but I wanted to keep them somewhere.

• irate/pirate
• passel/passé
• whilst/whist
• bride/bridge
• pain/Palin
• manager/manger
• egret/regret
• pimped/pimpled
• decal/fecal
• perpetrate/perpetuate
• rabbit/rabbi
• late/latte
• Paypal/papal
• public/pubic
  • bonus: these are kind of antonyms
  • second bonus: this results in seeing the word "pubic" far more than I should at work
• millstone/milestone
• typographical/topographical
• empress/impress
• prole/parole
• steroid/asteroid
• marital/martial
• underserved/undeserved
• chair/choir
• drive/derive, drive/drivel
• celerity/celebrity
• are/area
• outrage/outage
• savage/salvage
• ouzo/orzo
• sexist/sexiest
• unseasonable/unreasonable
• gravely/gravelly
• closest/closet
• undulate/ungulate
• ensue/ensure
• wonton/wanton
• duality/quality
• previous/precious
• population/copulation
• immortal/immoral
• decade/decide
• needles/needless