step in vs meddle

step in and meddle both are verbs.

Word	Noun	Adjective	Verb	Adverb
step in	No	No	Yes	No
meddle	No	No	Yes	No

As verbs, meddle is a hyponym of step in; that is, meddle is a word with a more specific, narrower meaning than step in:

step in: get involved, so as to alter or hinder an action, or through force or threat of force
meddle: intrude in other people's affairs or business; interfere unwantedly

Other hyponyms of step in include tamper, interlope.

step in (verb)	meddle (verb)
get involved, so as to alter or hinder an action, or through force or threat of force	intrude in other people's affairs or business; interfere unwantedly
act as a substitute