- monkeyshine
- monkey wrench
- monkey–faced owl
- monkfish
- Mon-Khmer
- monkhood
- monkish
- monks
- monk's cloth
- monk seal
- monkshood
- Monmouth
- Monmouth College (Illinois)
- Monmouth College (New Jersey)
- Monnet
- mono
- mono-
- mono-
- monoacid
- monoacidic
- monoamine
- monoamine oxidase
- monoamine oxidase inhibitor
- monobasic
- monocarp