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).

Health care, healthcare or health-care? Make up, makeup or make-up? Water ski, water-ski or waterski? Cell phone, cellphone or cell-phone? A lot of questions posed in this column elicit the answer: ...

Hyphens are only used to combine certain words together. They are not strong enough to set off phrases or words from a sentence. Use hyphens in the following situations: Use in compound numbers and ...