interchanged

the gears in the machine can be interchanged easily.

in this puzzle, the pieces can be interchanged to solve it.

the roles of the two actors were interchanged for the second act.

we interchanged our ideas during the brainstorming session.

the labels on the boxes were accidentally interchanged.

in mathematics, the variables can be interchanged without changing the outcome.

they interchanged their contact information at the conference.

the two colors can be interchanged to create a different look.

the students interchanged their seats during the class activity.

these two words are often interchanged in casual conversation.