Hindmost and Least

Hindmost adjective - Being at or in the part of something opposite the front part.

Least and hindmost are semantically related. In some cases you can use "Least" instead an adjective "Hindmost".

Least adjective - The superlative of `little' that can be used with mass nouns and is usually preceded by `the'; a quantifier meaning smallest in amount or extent or degree.

Hindmost and least are semantically related. Sometimes you can use "Hindmost" instead an adjective "Least".