Month is etymologically related to Moon. Month is related to Segment. Segment is related to Line. Line is related to Array. 
Armed is related to Recruit. Recruit is related to High. High is similar to Upper. 
Moon <--EtymologicallyRelatedTo-- Month <--RelatedTo--> Segment <--RelatedTo--> Line <--RelatedTo--> Array 
Armed <--RelatedTo--> Recruit <--RelatedTo--> High <--SimilarTo--> Upper 