kneel

As verbs the difference between kneel and keel

is that kneel is to stoop down and rest on the knee or knees while keel is to collapse, to fall.

As a noun keel is

a large beam along the underside of a ship’s hull from bow to stern.

Kneeldown is likely misspelled.

Kneeldown has no English definition.

As a verb kneel

is to stoop down and rest on the knee or knees.

As verbs the difference between kneel and kneeling

is that kneel is to stoop down and rest on the knee or knees while kneeling is present participle of lang=en.

As a noun kneeling is

the act by which someone kneels.

As a verb kneel

is (lb) to stoop down and rest on the knee or knees.

As an adverb kneelingly is

in a kneeling position.