Often used, often confused. Here's some guidance and insight.
Why does it sound strange to say 'funner' or 'funnest?'
A definitive answer.
Comedian ISMO on the complexities of the word 'tip'
Is it all the same anyway?
Many of today's grammar rules can be traced to the opinions of one 18th century writer.
A simple way to keep them apart. (Most of the time.)