• hukka,
• hoka,
• hookah,
• houka,
• gooka,
• jooka,
• uooka,
• yooka,
• hooja,
• hoooa,
• hooia,
• ghooka,
• hgooka,
• bhooka,
• hbooka,
• nhooka,
• hnooka,
• jhooka,
• hjooka,
• uhooka

• howk,
• hookah,
• hog,
• hooke,
• hoke,
• hook,
• hosea,
• hoagie,
• hooky,
• hoyos,
• HOAG,
• hokey,
• hoagy,
• houk,
• hoak,
• hooks,
• hockey,
• Hoskie,
• houck,
• hoka,
• hoax,
• hock.

The plural of the "hooka" can be the "hookas".

The singular of the "hooka" can be the "hooka".