* Adjective: Describing something that is done regularly or as a habit.
* Example: "He has a habitual cough."
* Adverb: Modifying a verb, adjective, or another adverb to indicate a habitual action or state.
* Example: "She habitually goes for a walk in the park."
* Noun: Describing something that is done regularly or as a habit. This is less common.
* Example: "He broke his habitual routine."
It's important to look at the context of the sentence to determine the correct part of speech for "habitual."