Provision

速 sù

: fast; rapid; quick; prompt; velocity

Kun Reading

速い | はやい hayai

adjective
: fast; quick; hasty; brisk
: early (in the day, etc.); premature
: (too) soon; not yet; (too) early
: easy; simple; quick

速く | はやく hayaku

adverb
: early; soon;
: quickly; swiftly; rapidly; fast

速さ | はやさ hayasa

noun
: speed; velocity; quickness; rapidity
: earliness

速め | はやめ hayame

no-adjective
: early
: fast

速やか | すみやか sumiyaka

na-adjective
: speedy; prompt; smooth