(military) captain (Japanese Air Self-Defense Forces, Japanese Ground Self Defense Forces) / (military) lieutenant (senior grade) (Japanese Maritime Self-Defense Force)

city

Kyūjitai form of 経度 (“longitude”) (angular distance)

twice; two times / (music) second (interval) / two degrees (angle, teperature, etc...)

twice / again

certainty

(television, electronics) fidelity, the accuracy of signal reproduction

popularity

degree of difficulty

low class, low grade, low degree