Adjuvant and Extra

Adjuvant adjective - Furnishing added support.

Extra and adjuvant are semantically related in auxiliary topic. In some cases you can use "Extra" instead the word "Adjuvant" as an adjective or a noun, when it comes to topics like supplementary.

Extra adjective - Being over what is needed.

Adjuvant and extra are semantically related in auxiliary topic. Sometimes you can use "Adjuvant" instead the word "Extra" as an adjective or a noun.