The federal guidelines suggests (at page 1) that fetal death and stillbirth can be interchangeable terms.

It's worth checking to make sure you're using the correct classification, as toys and games may be interchangeable terms for some people.

One finds it ironical that recent students suppose them interchangeable terms.

Meaningless, interchangeable terms, but without them Ruthe's presence was unexplained.

Tone and mood are not the same, although variations of the two words may on occasions be interchangeable terms.

Nonetheless, do not mistake the two periods as interchangeable terms.

Chemigation, a related and sometimes interchangeable term, is the application of chemicals through an irrigation system.

Until the 1800's, Christmas and New Year's were interchangeable terms.

I have already used several interchangeable terms for happiness.

Often used as an interchangeable term with "design", styling is in fact just one component of the design process.