速 (Kanji for fast) | KANJIDAMAGE

Onyomi

SOKU	Your Mama runs faster in SOCKS than in shoes (because she doesn't know how to tie laces).

The bundle of sticks moves fast when it rolls downhill.

はや*い	fast speed ★★★★☆
すみ＊やか ( に )	like 早速, but emphasizes finishing something quickly, rather than STARTING it immediately. Usually used in an office - give this document or procedure top priority! NP ★☆☆☆☆

早速(さっそく) xxxしろ！	do XXX immediately! ★★☆☆☆ FP 1/2 KANA 早 (early) + 速 (fast) = 早速 (do XXX immediately!)
速度(そくど)	speed ★☆☆☆☆ 速 (fast) + 度 (times) = 速度 (speed)