circularize vs podcast

circularize and podcast both are verbs.

Word	Noun	Adjective	Verb	Adverb
circularize	No	No	Yes	No
podcast	No	No	Yes	No

As verbs, podcast is a hyponym of circularize; that is, podcast is a word with a more specific, narrower meaning than circularize:

circularize: cause to become widely known
podcast: distribute (multimedia files) over the internet for playback on a mobile device or a personal computer

Other hyponyms of circularize include sow, generalise, generalize, popularise, popularize, vulgarise, vulgarize, carry, run.

circularize (verb)	podcast (verb)
make circular	distribute (multimedia files) over the internet for playback on a mobile device or a personal computer
cause to become widely known
distribute circulars to
canvass by distributing letters
canvass by using a questionnaire