A with grave accent, a letter used in French mostly to distinguish some homographs and in transliteration.

to (destination)
to (until)
on the, to (some directions)
at (said of a particular time)
at, in, on (said of a particular place)
Found in various interjections used as warnings or exhortations
from (origin)
of (belonging to)
till, until (used in farewells)
cooked in or with
Used to make compound nouns to state what something is used for
to (used to express something not completed)
Used to describe a part of something, often translated into English as a compound adjective
by
or, to (used to express an approximate number)
Used to indicate the recipient of certain phrasal verb.
with