There are many words ending with or, such as: operator, professor, inventor, visitor, conductor, doctor, conductor, author, editor, actor, professor, sailor, etc.
Detailed explanation of some words:
1. operator English?['?p?re?t?]American?['ɑp?ret?]
n . Operator; operator; operator; expert
[Example] the nation's largest cable-TV?operator
The nation's largest cable TV operator.
2. inventor English? [?n'vent?] American? [?n'v?nt?]
n. inventor; [patent] inventor; creator
[Example]The royalties enabled the inventor to re-establish himself in business.
The royalties enabled the inventor to re-establish himself in business.
3. visitor English?['v?z?t?]American?['v?z?t?]
n. visitor; visitor; visitor
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[Example]Mrs. Jones's powerful voice interrupted them, announcing a visitor.
Mrs. Jones's powerful voice interrupted them, announcing a visitor.
4. conductor English?[k?n'd?kt?]American?[k?n'd?kt?]
n. lt; electricity gt; conductor; Conductor; (band) conductor; conduit (a type of casing)
[Example] He was arrested for assaulting a bus conductor.
He was arrested for assaulting a bus conductor. .
5. Doctor English?['d?kt?]American?['dɑkt?]
n. Doctor; doctor
v. Tampering, forgery ;Castration
[Example]I'm middling well,?doctor.
I'm relatively healthy, doctor.