Both ΟΜΟ- (con-), ΟΜΟΙΟ- (homo- / homeo- pronounced: omoio-) and ΗΜΙ- (semi-, demi-) can signify the same thing, though "ΗΜΙ-" (semi-) has the degrading meaning of "half-". Just think what "semisexual" could mean...
A very good example for the right use of ΟΜΟΙΟ- is the word "homeopathetic" (ΟΜΟΙΟΠΑΘΗΤΙΚΟΣ, ΟΜΟΙΟΠΑΘΗΤΙΚΗ)
"Homo-" is a Greek prefix that means "same." It is commonly used in words such as "homogeneous" (meaning of the same kind) and "homosexual" (meaning attracted to the same sex).
dodecahedron
The word "hyperactive" contains a Greek prefix that means over.
The Greek prefix that means "many" is "poly-".
The prefix in the word "monotonous" is "mono-," which means "single" or "one." This prefix indicates that something is the same or repetitive.
The Greek prefix "a-" in "atypical" means "not" or "without," so "atypical" means not typical or not conforming to the usual pattern.
It is Greek and means 'same'.
The prefix "homo-", derived from Greek, means "same". "Homophone" means "same sound".
Same as the Greek root "EU" it means good or well
the greek prefix para means beyond
The Greek prefix "geo" means Earth.
The prefix "naus" means "ship" or "vessel." It is commonly used in words related to ships or sailing.
The greek word "mia" doesn't exist as a prefix. But it exists as a numeral. It means "one" for the feminine gender.
The previous answer here was "greek". Unfortunately, this is incorrect; perhaps it was a guess? The correct answer is Latin; reference: http://en.wikipedia.org/wiki/Greek_and_Latin_roots_in_English .
It means "thick"
The Greek prefix "a-" in "atypical" means "not" or "without," so "atypical" means not typical or not conforming to the usual pattern.
The prefix "meta-" in metamorphosis means "change" or "beyond." It indicates a transformation or a change in form or structure.
The prefix ap- mean to or toward. One word with this prefix is appetite.