Stem يَوْمُ has 3 unique word forms and appears 19 times in the Quran.

Word Translation Occurrences
يَوۡمُ Day, (is) a Day, (is on the) day, (is the) Day, (will be the) Day 32
ٱلۡيَوۡمُ (is) the Day 4
يَوۡمُكُمُ (is) your Day 2