Here's why:
* "Pacific" is an adjective: It describes something related to the Pacific Ocean.
* Suffixes are attached to nouns or verbs: They can't stand alone.
However, you can use "Pacific" as a part of a compound word where the whole word acts as a suffix:
* "Oceanic" is a suffix derived from the word "ocean."
* "Pacific-oceanic" could be used as a suffix to describe something related to the Pacific Ocean, like "Pacific-oceanic currents."
It's important to note that "Pacific-oceanic" is not a standard term and may not be widely understood.
If you need a suffix to describe something related to the Pacific Ocean, you could consider using:
* "-pacific": This could be used as a suffix to describe something that brings peace or tranquility, like "a Pacific atmosphere."
* "-oceanic": This is a more common and widely understood suffix to describe something related to oceans in general.
Ultimately, the best way to use "Pacific" as a suffix would depend on the specific context and what you're trying to convey.