Initial and Rudimentary

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

Rudimentary is a synonym for initial in preliminary topic. In some cases you can use "Rudimentary" instead an adjective "Initial", when it comes to topics like primary.

Nearby Words: initiate, initiation, initialing, initialed, initialize

Rudimentary adjective - Belonging to or characteristic of an early level of skill or development.

Initial is a synonym for rudimentary in basic topic. You can use "Initial" instead an adjective "Rudimentary", if it concerns topics such as primary.

Nearby Word: rudiment