ennead, enneal, enneagynous, enneahedral, enneandria, enneapetalous, enneaphyllous, enneahydrous
The word started with the prefix "ennea" is "enneagram," which refers to a nine-pointed figure used in a particular system of analysis to represent the spectrum of possible human character types.
Nona-
"Second-hand" is a word that starts with the prefix "se-".
superintendant
Malabsorption
A Latin prefix is how a word starts but usually a group of 3-4 letters. But the group of letters is from Latin.
Nona-
It could either be, non or novem. Check your Oxford England Dictionary, they'll have it. I think. :) Greek (ancient): ennea.
ennea
nona, or ennea
Aftershock Aftershock
consequence
conifer
Dodecagon
inarticulate
A hydrate has x molecules of water in its substance. BrCl(H2O)9, or BrClH18O9, has nine molecules of water, ennea- meaning nine as a prefix in chemistry. Please note: The ennea prefix has a Greek root, meaning 9. The Latin nona prefix is much more commonly used for 9 of something in chemistry.
anti-gravity
Bibliography, bibliophile.