-al, -ality, -ism, -alityism, -alityismness
To add a suffix to "habitat," you would simply attach the suffix to the end of the word. For example, adding the suffix "-ion" would create the word "habitation."
a
One suffix you can add is -en. In this case, the word would be seen.
To turn "Pacific" into a suffix, you would add it at the end of a word to form a new term related to the Pacific Ocean region or characteristics associated with it, such as "pacifically" or "pacification."
To add the suffix '-ness' to 'immaterial', you would remove the last 'i' and add 'ness'. The word would become 'immaterialness'.
-ize
You would add the suffix -less meaning without or lacking, to make "senseless."
The suffix you could add to the root word "truth" to create a word that means characterized by honesty is "-ful", resulting in the word "truthful".
You can add the suffix "ment" to form the word "involvement."
Legalizing
Care
The suffix of "hunt" is "-er," which would make it "hunter."