coun·ter·part 
(kountər-pärt′)
(kountər-pärt′)n.
1.
a. One that closely resembles another.
b. One that has the same functions and characteristics as another; a corresponding person or thing: Their foreign minister is the counterpart of our secretary of state.
2. A duplicate of a legal document.
3.
a. One of two parts that fit and complete each other.
b. One that serves as a complement.
- Indo-European root: kand-
- Indo-European root: kap-
- Indo-European root: kaput-
- Indo-European root: kar-
- Indo-European root: kas-
- Indo-European root: kat-
- Indo-European root: kau-
- Indo-European root: kaə-id-
- Indo-European root: ked-
- Indo-European root: keg-
- Indo-European root: kei-
- Indo-European root: keiə-
- Indo-European root: kekw-
- Indo-European root: kel-
- Indo-European root: kel-
- Indo-European root: kelə-
- Indo-European root: kelə-
- Indo-European root: ken-
- Indo-European root: kenk-
- Indo-European root: kens-
- Indo-European root: kent-
- Indo-European root: ker-
- Indo-European root: ker-
- Indo-European root: ker-
- Indo-European root: kerd-