WordMeaningWordMeaningبُكْرَةٌearly morningأَصِيلٌlate afternoonصَبَاحٌmorningمَسَاءٌeveningلَيْلٌnightنَهَارٌdaytimeأَبَدٌforeverحِينٌa time or while
Do not memorize the ending shown in isolation as the only possible ending. In use, the construction determines whether the noun appears with tanwin or in an idafah phrase.