Pioneer is a type of Explore. Explore is a synonym of Seek. Seek is related to Finding. 
Model is a synonym of Construct. Construct is related to Play. Play is related to Pass. Pass is a synonym of Toss. 
Pioneer --IsA--> Explore <--Synonym--> Seek <--RelatedTo--> Finding 
Model <--Synonym--> Construct <--RelatedTo--> Play <--RelatedTo--> Pass <--Synonym--> Toss 