v. 1
Of a liquid: to fall in drops or droplets.
v. 2
To fall (straight down) under the influence of gravity, like a drop of liquid.
A single shot was fired and the bird dropped from the sky.
n. 1
A very small quantity of liquid, or (by extension) of anything.
They didn’t show a drop of remorse
n. 2
An act or instance of dropping (in all senses). An act of moving downwards under the force of gravity; a descent, a fall.
That was a long drop, but fortunately I didn’t break any bones.

Related words

Word family: dropmeal dropstone dropwise drophead drophole drop-in droplifting drop-off
Phrases: drop-off drop a dime cough drop drop by drop the ball drop-in drop kerb drop anchor

Forms

Word	1850 → 2019	Trend
drop		steady
abandon		steady

Use in printed books, per decade from 1850 to 2019.

3 letters: bit¹, dot¹, dip¹, dab¹, jot¹
4 letters: miss¹, lose¹, fall¹, spot¹, cast¹, fell¹, hang¹, quit¹, shed¹, sink¹, dash¹, drip¹, flop¹, bead¹
5 letters: leave¹, lower², spend¹, touch¹, throw¹, swing¹, trace¹, cliff¹, pearl¹, scrap¹, pinch¹, ounce¹, faint¹, slump¹
6 letters: unload², dangle², morsel², smidge
7 letters: release², decline², deposit³, abandon³, dismiss², descent², curtain², descend², discard², trickle², dribble², flatten², subside², plummet²
8 letters: decrease², renounce²
9 letters: reduction³, breakdown², discharge², percolate³
11 letters: discontinue⁴
13 letters: deterioration⁶

The small number after each word is its number of syllables (lower² = 2 syllables).