Word

加速器

かそくき
(particle) accelerator
Word

速記

そっき
shorthand; stenography
Word

速攻

そっこう
swift attack; quick attack; fast break; right away; without delay; immediately
Word

流速

りゅうそく
speed of moving fluid
Word

秒速

びょうそく
per second
Word

神速

しんそく
great speed; extreme speed; swiftness
Word

早足

速歩、速足
はやあし、そくほ
quick pace; quick steps; quick march; trot (horse gait)
Word

即日速達

そくじつそくたつ
same-day special delivery
Word

相対速度

そうたいそくど
relative velocity
Word

耳が早い

耳が速い、耳がはやい
exp
みみがはやい
being quick-eared; having sharp ears; being first to know about something