Acicular and Acuminous

Acicular adjective - Narrow and long and pointed; as pine leaves.

Acuminous and acicular are semantically related In some cases you can use "Acuminous" instead an adjective "Acicular".

Acicular and acuminous are semantically related in pointed topic. Sometimes you can use "Acicular" instead an adjective "Acuminous", if it concerns topics such as having a sharp end or part, having a sharp end or point.