Lemma حَيَّ has 4 unique word forms and appears 4 times in the Quran.

Word Translation Occurrences
حَيَّوۡكَ they greet you 2
حُيِّيتُم you are greeted 2
فَحَيُّواْ then greet 2
يُحَيِّكَ greets you 2