Ins and Open door

Ins noun - An agency in the Department of Justice that enforces laws and regulations for the admission of foreign-born persons to the United States.

Open door and ins are semantically related. in admission topic. In some cases you can use "Open door" instead a noun "Ins", when it comes to topics like admittance.

Open door noun - Freedom of access.

Ins and open door are semantically related. Sometimes you can replace term "Ins" with "Open door", this terms are similar.