-ode1

1.
a suffix of nouns, appearing in loanwords from Greek, where it meant “like”; used in the formation of compound words:
phyllode.
Compare -oid.
Origin
< Greek -ōdēs, probably generalized from adjectives describing smells, as kēṓdēs smelling like incense; base ōd- of ózein to smell, give off odor

-ode2

1.
a combining form meaning “way,” “road,” used in the formation of compound words:
anode; electrode.
Origin
< Greek -odos, combining form of hodós
British Dictionary definitions for -ode

-ode1

combining form
1.
denoting resemblance: nematode
Word Origin
from Greek -ōdēs, from eidos shape, form

-ode2

combining form
1.
denoting a path or way: electrode
Word Origin
from Greek -odos, from hodos a way
-ode in Medicine

-ode suff.
Way; path: electrode.