act-alike

People on all the other planets do act alike, as you said, yet I have very much trouble understanding why.

But they do not act alike on the Ciliary nerves by which the motions of the Iris are controlled.

When people come to think alike, they tend to act alike; unison in thinking begets unison in action.

No two men act alike when the heart is touched in love; why then should they when it is touched in death?

He suited the action to the word, and immediately word and act alike were imitated by two or three of his more ardent admirers.