As verbs the difference between fetch and estimate
is that
fetch is to retrieve; to bear towards; to go and get while
estimate is to calculate roughly, often from imperfect data.
As nouns the difference between fetch and estimate
is that
fetch is the object of fetching; the source and origin of attraction; a force, quality or propensity which is attracting eg, in a given attribute of person, place, object, principle, etc while
estimate is a rough calculation or guess.
As an adjective fetch
is (slang) attractive, popular.