Adjuvant and Smaller

Adjuvant adjective - Furnishing added support.

Smaller and adjuvant are semantically related. in lesser topic. In some cases you can use "Smaller" instead an adjective "Adjuvant".

Smaller adjective - Having not so great importance or rank as another.

Adjuvant and smaller are semantically related. Sometimes you can use "Adjuvant" instead an adjective "Smaller".