confusing words

It's / Its

• 
  It's : contraction of "it is".
• 
  Its : possessive pronoun or adjective.

Fewer / less

• 
  Fewer : nouns that can be counted.
• 
  Less : nouns that cannot.

Accept / Except

• 
  Accept : receive.
• 
  Except : not including.

Lie / Lay

• 
  Lie : intransitive verb.
• 
  Lay : transitive verb (past tense of lie).

Flair / Flare

• 
  Flair : skill or talent.
• 
  Flare : a sudden blaze.

Compliment / Complement

• 
  Compliment : an admiring remark.
• 
  Complement : goes well together.

Emigrate / Immigrate

• 
  Emigrate : leaving.
• 
  Immigrate : coming.

Flammable / Inflammable

• 
  Flammable : inflammable (liable to catch fire).
• 
  Inflammable : flammable (liable to catch fire).