elke

As an adjective else

is other; in addition to previously mentioned items.

As an adverb else

is otherwise, if not.

As a conjunction else

is for otherwise; or else.

As a noun elke is

the European wild or whistling swan (Cygnus ferus).

As an adjective ilke

is (obsolete) same.

As a noun elke is

the european wild or whistling swan (cygnus ferus ).

Elke is a alternative form of elk.

As nouns the difference between elk and elke

is that elk is the largest member of the deer family (Alces alces); a moose while elke is the European wild or whistling swan (Cygnus ferus).