Basal and First

Basal adjective - Of or relating to the simplest facts or theories of a subject.

First and basal are semantically related In some cases you can use "First" instead an adjective "Basal".

Nearby Word: base

First adjective - Coming before all others in time or order.

Basal and first are semantically related in fundamental topic. Sometimes you can use "Basal" instead an adjective "First".

Nearby Word: firstly