IPA: /ˈfɔːrplɛks/
KK: /ˈfɔrˌplɛks/
Relating to something that has four parts or units, such as a building with four separate living spaces.
The new housing development includes several fourplex units that are perfect for families.
A type of building that has four individual living units or apartments, usually sharing common walls.
They decided to invest in a fourplex to generate rental income.
Fourplex → It is formed from "four" (from Old English "feower", meaning the number four) and "-plex" (from Latin "plexus", meaning interwoven or folded). The word "fourplex" refers to a building that is divided into four separate living units, hence interwoven or folded together in one structure.
Think of the number 'four' and how it describes a building that has four separate living spaces 'interwoven' together.
No commonly confused words.