Let's talk about the plurals of compound nouns. I submit to you: passers-by, hangers-on, attorneys general, brothers-in-law, and culs-de-sac. What about "month end" how would that be pluralized?

We can demonstrate the link between two nouns either by using possessive forms (the US bank's finance division / the finance division of the US bank) or compound nouns (the US bank finance division).

Housedog and doghouse; lighhouse and houselight. Neil Anderson, Hamilton, Bermuda Outlook and Lookout Evan McCaughey, Chesterfield Derbyshire Bookcase, housework. John, Wellington, NZ Overtake G ...

English in a Minute: Verbs to use with 'view' Homophones English in a Minute: Verbs to use with 'design' Weather words English in a Minute: Verbs that go with 'role' Male and female job words English ...

According to my 1933 Oxford Universal Dictionary, “good-bye” and “co-operate” are hyphenated, neither “leg room” nor “birth rate” can be run together into single word, and “teenager” doesn’t exist.