teachable
By adding the suffix -able. The word is retractable.
Unforgettable
comfortable
The suffix of the word unavoidable is able. This is because the suffix of a word is the ending of that word.
able
Yes, you can add the suffix "able" to "teach" to make it "teachable." This turns the word into an adjective meaning capable of being taught.
The suffix of "conceivable" is "-able."
The suffix for "lovable" is "able".
The suffix of valuable is -able.
The suffix in respectable(respect-able) is able.
The suffix -worthy means suitable for or suited to.
By adding the suffix -able. The word is retractable.
The suffix is -able.
The suffix for "improbable" is "-able".
The suffix of "inconsolable" is -able.
The suffix of "unmanageable" is "-able."
The suffix for blame is "-able."