As a noun microphone is

microphone.

As nouns the difference between ballad and waltz

is that ballad is a kind of narrative poem, adapted for recitation or singing; especially, a sentimental or romantic poem in short stanzas while waltz is a ballroom dance in 3/4 time.

As verbs the difference between ballad and waltz

is that ballad is to make mention of in ballads while waltz is to dance the waltz (with).

As adjectives the difference between discrete and detached

is that discrete is while detached is of a house: not joined to another house on either side.

As a verb detached is

(detach).

In intransitive terms the difference between intervene and participate

is that intervene is to interpose; as, to intervene to settle a quarrel; get involved, so as to alter or hinder an action while participate is to join in, to take part, to involve oneself ({{term|in}} something).

As verbs the difference between intervene and participate

is that intervene is to come between, or to be between, persons or things while participate is to join in, to take part, to involve oneself ({{term|in}} something).

As an adjective participate is

acting in common; participating.

As nouns the difference between interventions and participations

is that interventions is while participations is .

As nouns the difference between lice and headlice

is that lice is (louse)