Sublingual refers to 'under the tongue'. Therefore a sublingual spray would be a spray that is to be sprayed under the tongue.

Sublingual refers to 'under the tongue'. Therefore a sublingual spray would be a spray that is to be sprayed under the tongue.

It's the sublingual salivary gland.

Have no idea what oral disintegrating tablets are, but sublingual tablets, when put under the tongue, melts. Sublingual means "under the tongue".

The root word for sublingual is lingual. Its has a prefix of sub-. There is no suffix.