Meaning 1: Earth, ground, soil
* Humus: Decomposed organic matter in soil, which is essential for plant growth.
* Humify: To convert organic matter into humus.
* Humate: A salt or ester of humic acid, found in soil.
* Humic: Relating to or containing humus.
* Humin: A dark-colored, insoluble organic substance in soil.
Meaning 2: To make a low, continuous sound
* Hum: To make a low, continuous sound, like a bee.
* Humming: The act of making a hum.
* Hummingbird: A small bird that hovers in the air and feeds on nectar, making a humming sound with its wings.
* Hummingtop: A spinning toy that makes a humming sound.
Meaning 3: To be filled with a feeling of joy or contentment
* Humorous: Funny or amusing.
* Humor: The quality of being funny or amusing.
* Humour: (British spelling) The same as humor.
* Humorousness: The state of being humorous.
* Humourless: Lacking humor.
Other words with "hum" in them:
* Human: A member of the species *Homo sapiens*.
* Humble: Modest or unpretentious.
* Humility: The quality of being humble.
* Humbly: In a humble manner.
It's important to note that the meaning of the root "hum" can sometimes be unclear. The context of the word will usually help you determine its intended meaning.