Webster's Revised Unabridged Dictionary · 1913

Alike

Alike (ȧ*līk) , adjective

[Anglo-Saxon onlīc, gelīc; pref. ā + like.]

Having resemblance or similitude; similar; without difference. [Now used only predicatively.]
The darkness and the light are both alike to thee. — Bible (KJV) - Psalm cxxxix. 12

Alike , adverb

[Anglo-Saxon gelīce, onlīce.]

In the same manner, form, or degree; in common; equally; as, we are all alike concerned in religion.