O- is not a suffix.
For or is.
There is no suffix in mean.
The suffix of "telephoto" is "-o," which is a common suffix in English denoting a noun.
cratic -democratic
It means to do things by itself.
SUFFIX
it makes and vowels in the word sound like the original letter...e,a,i,o & u
the root word would be thyroid/o. when used in the whole word hypothyroidism, the o is removed.
cardi(o)
What does the suffix of aphy
prefix aden combining vowel o and suffix pathy
dips/o is the combining form -dipsia is the suffix