Lemma أُمْطِرَتْ has 3 unique word forms and appears 7 times in the Quran.

Word Translation Occurrences
وَأَمۡطَرۡنَا and We rained, And We showered 10
أُمۡطِرَتۡ was showered 2
فَأَمۡطِرۡ then (send) rain 2