monoglot /monˈō-glot/

1. Able to speak only one language, monolingual
2. Using or written in only one language

1. A person who speaks only one language
2. A book written in only one language

• double-threaded screw
• double-threaded screws
• double time
• doubleton
• double-tongue
• double-tongued
• double-tongues
• double-tonguing
• doubletons
• double top
• doubletree
• doubletrees
• doublets
• double-u
• double up
• double vision
• double wedding
• double weddings
• double whammy
• double witching
• double witching hour
• double-you
• double zero option
• doubling
• doublings