Language & meaning
- Acronym vs initialism
- Affect vs effect
- Allegory vs symbolism
- Among vs between
- Can vs may
- Compliment vs complement
- Denotation vs connotation
- Discreet vs discrete
- Empathy vs sympathy
- Ensure vs insure vs assure
- Etymology vs entomology
- Farther vs further
- Fewer vs less
- Homonym vs homophone vs homograph
- Imply vs infer
- Irony vs sarcasm
- Its vs it's
- Lie vs lay
- Literally vs figuratively
- May vs might
- Metaphor vs simile
- Principal vs principle
- Quotation vs paraphrase
- Then vs than
- Which vs that
- Who vs whom