Adverb
prototypically (comparative more prototypically, superlative most prototypically)
In a prototypical manner.
All languages, for instance, make a basic distinction between a group of words that prototypically denotes things and concepts and a group of words that prototypically denotes actions and events. Source: Internet
For the concept that nouns are "prototypically referential": * Croft, William. 1993. Source: Internet
These are prototypically voiceless, but voiced obstruents are extremely common as well. Source: Internet