What is the difference between mostest and most? Can they be used interchangeably?
When should I use "eldest" and when should I use "oldest"? Are the differences semantic or regional? (Or both?) (What got me wondering is the removeEldestEntry() method in Java's LinkedHashMap ...
What is the difference between least and lowest? Websites announce as "Lowest prices", but not "least". Least is the superlative degree. low > lower > least ?