1. Constipation is the term used to describe difficulty or infrequency in passing feces (poo)

2. Antonyms for Commonness include infrequence, infrequency, rareness, unCommonness, unusualness, exception, paucity, rarity, scarceness and irregularity

3. CLINICAL VALIDITY INDEX NARRATIVES The Basc-3 F Index is a classically derived infrequency scale, designed to assess the possibility that a rater has depicted a child's behavior in an inordinately negative fashion