Roots that are derived from an independent word and may be used together or with affixes to form new words.
combined form
The combined form for bladder is cysto- as in cystoscope or urinary cystogram.
it is combined with oxygen
Most of the metals can occur in the native and combined forms.
they form compounds
your mom is combined with neon
molecule
a compound
Sparta and Athens
Compounds
Organs
alphabet