occur

As verbs the difference between occur and transition

is that occur is to happen or take place while transition is to make a.

As a noun transition is

the process of change from one form, state, style or place to another.

As verbs the difference between emanate and occur

is that emanate is to come from a source; issue from while occur is to happen or take place.

As verbs the difference between occur and executed

is that occur is to happen or take place while executed is (execute).

As verbs the difference between arrive and occur

is that arrive is while occur is to happen or take place.

As a verb occur

is to happen or take place.

As an adjective existent is

existing; having life or being, current; occurring now.

As a noun existent is

(archaic) a being or entity that exists independently.

As verbs the difference between transpired and occur

is that transpired is past tense of transpire while occur is to happen or take place.

As verbs the difference between occurs and occur

is that occurs is third-person singular of occur while occur is to happen or take place.

Apear is likely misspelled.

Apear has no English definition.

As a verb occur is

to happen or take place.

As a proper noun flash

is (computing) a popular multimedia platform, most often used for adding animation and interactivity to webpages.

As a verb occur is

to happen or take place.

As a noun comeback

is a return (e.g. to popularity, success, etc.) after an extended period of obscurity.

As a verb occur is

to happen or take place.