speedily

As a noun taxonomy

is the science or the technique used to make a classification.

As an adverb speedily is

in a speedy or fast manner.

Speedily is a synonym of quickly.

As adverbs the difference between quickly and speedily

is that quickly is rapidly; with speed; fast while speedily is in a speedy or fast manner.

As adverbs the difference between speedily and spakely

is that speedily is in a speedy or fast manner while spakely is (obsolete) quickly; speedily; nimbly.

As adverbs the difference between speedily and swith

is that speedily is in a speedy or fast manner while swith is (dialectal|or|obsolete) quickly, speedily, promptly.

As an adjective swith is

(dialectal|or|obsolete) strong; vehement.

As adverbs the difference between speedily and swithe

is that speedily is in a speedy or fast manner while swithe is .