-ade
-adelphous
Merriam-Webster's Collegiate Dictionary:
-ad
I.
adverb
suffix
Etymology:
Latin
ad
in the direction of
;
toward
Example:
cephal
ad
II.
noun
suffix
Etymology:
probably from New Latin
-ad-, -as,
from Greek,
suffix
denoting descent from or connection with
member of a botanical group
Example:
bromeli
ad
