Ordinary is a different concept from Rare. Rare is a synonym of Remarkable. Remarkable is a synonym of Unusual. 
Tendency is derived from Tend. Tend is related to Care. Care is related to Bear. Bear is related to Honey. 
Ordinary <--DistinctFrom--> Rare <--Synonym--> Remarkable <--Synonym--> Unusual 
Tendency --DerivedFrom--> Tend <--RelatedTo--> Care <--RelatedTo--> Bear <--RelatedTo--> Honey 