hilltop

As nouns the difference between hilltop and summit

is that hilltop is the peak or crest of a hill while summit is (countable) a peak; the top of a mountain.

As a verb summit is

(transitive|hiking|climbing|colloquial) to reach the summit of a mountain.

is likely misspelled.

has no English definition.

As a noun hilltop

is the peak or crest of a hill.

As nouns the difference between hilltop and umpire

is that hilltop is the peak or crest of a hill while umpire is (tennis) the official who presides over a tennis game sat on a high chair.

As a verb umpire is

(sports|intransitive) to act as an umpire in a game.

As nouns the difference between taxonomy and hilltop

is that taxonomy is the science or the technique used to make a classification while hilltop is the peak or crest of a hill.

As nouns the difference between hilltop and topograph

is that hilltop is the peak or crest of a hill while topograph is a monument erected in a high place, such as a hilltop, indicating the direction and distance of notable landscape features which can be seen with the naked eye from that point.