Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.

Category: ocean 
Words: flow, current, course, moon, dastards
dastards

Category: outdoor sport activity 
Words: wrestle, fish, iguana, hiking, hunt
iguana

Category: food 
Words: pork, weenie, goodies, honest, frank

honest