Occur vs. Appear

Occurverb

(intransitive) To happen or take place.

Occurverb

(intransitive) To present or offer itself.

Occurverb

(impersonal) To come or be presented to the mind; to suggest itself.

Occurverb

To be present or found.

Occurverb

To meet; to clash.

Occurverb

To go in order to meet; to make reply.

Occurverb

To meet one's eye; to be found or met with; to present itself; to appear.

Occurverb

To happen; to take place; as, I will write if opportunity occurs.

Occurverb

To come to the mind; to arise in the mind; to suggest itself; to be presented to the imagination or memory; - of an idea or thought; as, it never occurred to me to call John to ask.

Occurverb

come to pass;

Occurverb

come to one's mind; suggest itself;

Occurverb

to be found to exist;

Appearverb

(intransitive) To come or be in sight; to be in view; to become visible.

Appearverb

(intransitive) To come before the public.

Appearverb

(intransitive) To stand in presence of some authority, tribunal, or superior person, to answer a charge, plead a cause, etc.; to present oneself as a party or advocate before a court, or as a person to be tried.

Appearverb

(intransitive) To become visible to the apprehension of the mind; to be known as a subject of observation or comprehension, or as a thing proved; to be obvious or manifest.

Appearverb

To seem; to have a certain semblance; to look.

Appearverb

(transitive) To bring into view.

Appearverb

To come or be in sight; to be in view; to become visible.

Appearverb

To come before the public; as, a great writer appeared at that time.

Appearverb

To stand in presence of some authority, tribunal, or superior person, to answer a charge, plead a cause, or the like; to present one's self as a party or advocate before a court, or as a person to be tried.

Appearverb

To become visible to the apprehension of the mind; to be known as a subject of observation or comprehension, or as a thing proved; to be obvious or manifest.

Appearverb

To seem; to have a certain semblance; to look.

Appearnoun

Appearance.

Appearverb

give a certain impression or have a certain outward aspect;

Appearverb

come into sight or view;

Appearverb

be issued or published;

Appearverb

seem to be true, probable, or apparent;

Appearverb

come into being or existence, or appear on the scene;

Appearverb

appear as a character on stage or appear in a play, etc.;

Appearverb

present oneself formally, as before a (judicial) authority;