Kyūjitai form of 停滞 (“stagnation”).

stagnant / stagnation / becoming stagnant / falling into decay

economics; the study of economics / economy

to stop

Kyūjitai form of 渋滞 (“congestion, traffic jam”)

tram stop

Short for 各駅停車 (kakueki teisha, “a train that stops at every station on the line”). / a state of stopping at every station on the line

(telecommunications) to cease operation of waves

(telecommunications) ceasing operation of waves

Short for 免許停止 (menkyo teishi).