Two words differ by a single letter. The letters in the two words are not in the same order.One of the words has five letters, and the other six. Both words name things that have strong smells, and most people either really like or dislike one or both of them. What are the words?

HINTS:
1. The extra letter in the longer word is L
2. C_ _ _ _
3. G_ _ _ _ _

Answers:

CIGAR
GARLIC