Stem لَبِثُ has 2 unique word forms and appears 5 times in the Quran.

Word Translation Occurrences
لَبِثُواْ they (would have) remained, they remained 4
لَبِثُواْۖ they remained 2
لَبِثُوٓاْ (they had) remained 2
وَلَبِثُواْ And they remained 2