Did you mean: rabid rapt reaped rfid repaid ?
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快 | 
kuài | rapid / quick / speed / rate / soon / almost / to make haste / clever / sharp (of knives or wits) / forthright / plainspoken / gratified / pleased / pleasant | 
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急 | 
jí | urgent / pressing / rapid / hurried / worried / to make (sb) anxious | 
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快 | 
kuài sù | fast; high-speed; rapid | 
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迅 | 
xùn sù | rapid / speedy / fast | 
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一 | 
yī tóu | one head / a head full of sth / one end (of a stick) / one side / headlong / directly / rapidly / simultaneously | 
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起 | 
qǐ fēi | (of an aircraft or rocket) to take off; to lift off / (fig.) (of an enterprise etc) to start to develop rapidly | 
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一 | 
yī rì qiān lǐ | lit. one day, a thousand miles (idiom); rapid progress | 
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一 | 
yī mù shí háng | ten lines at a glance (idiom) / to read very rapidly | 
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急 | 
jí zhuǎn zhí xià | to develop rapidly after abrupt turn (idiom); dramatic change | 
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呼 | 
hū chi hū chi | (onom.) rapid breathing | 
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恶 | 
è xìng | malignant / wicked / vicious (circle) / producing evil / rapid (decline) / runaway (inflation) | 
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城 | 
chéng tiě | rapid transit system / urban railway | 
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猛 | 
měng zēng | sharp increase / rapid growth | 
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平 | 
píng bù qīng yún | to rapidly go up in the world / meteoric rise (of a career, social position etc) | 
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日 | 
rì xīn yuè yì | daily renewal, monthly change (idiom) / every day sees new developments / rapid progress | 
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急 | 
jí jù | rapid; sudden | 
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捷 | 
jié yùn | (Tw) mass rapid transit (MRT) / subway | 
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飙 | 
biāo shēng | to rise rapidly / to soar | 
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飞 | 
fēi sù | swift / rapidly | 
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速 | 
sù bào | to report quickly; rapid reporting / bulletin (esp. one providing statistical data on a monthly basis) |