Pill is etymologically related to Pool. 
Admire is related to Appreciate. Appreciate is a synonym of Understand. Understand is related to Explain. Explain is related to Justify. 
Pill --EtymologicallyRelatedTo--> Pool 
Admire <--RelatedTo--> Appreciate <--Synonym--> Understand <--RelatedTo--> Explain <--RelatedTo--> Justify 