hotel detective vs house dick

hotel detective and house dick both are nouns.

Word	Noun	Adjective	Verb	Adverb
hotel detective	Yes	No	No	No
house dick	Yes	No	No	No

As nouns, hotel detective and house dick are synonyms defined as:

hotel detective and house dick: a private detective employed by a hotel or retail store

Other synonyms of hotel detective include house detective.

hotel detective (noun)	house dick (noun)
a private detective employed by a hotel or retail store	a private detective employed by a hotel or retail store