jīlěi

to accumulate / accumulation / cumulative / cumulatively

jījí

active / energetic / vigorous / positive (outlook) / proactive

miànjī

area (of a floor, piece of land etc) / surface area / tract of land

tǐjī

volume / bulk / CL:[[個|个<gè>]]

duījī

to pile up / to heap / accumulation

jī

to amass / to accumulate / to store / measured quantity (such as area of volume) / product (the result of multiplication) / to integrate (math.) / to solve (or integrate) an ordinary differential equation (math.) / old / long-standing

jīzǎn

to save bit by bit / to accumulate

nèijī

inner product / the dot product of two vectors

jīyā

to overstock / backlog / accumulation of neglected work / arrears of work

jīxí

old habit (usually bad) / inbred custom / deep-rooted practice