• hanukka,
• hacke,
• haken,
• haha,
• hawia,
• havia,
• makkah,
• chaka,
• hacva,
• hanuka,
• haker,
• hanaka,
• haikai,
• kakki,
• waka,
• dakk,
• hackr,
• hafia,
• hakie,
• wkka

• Haak,
• hack,
• haiku,
• Haggai,
• hakea,
• hayek,
• HAAG,
• hausa,
• hawk,
• Haskew,
• haick,
• HaaS,
• hawky,
• haacke,
• haussa,
• Haeck,
• hawkshaw,
• hackee,
• hawke,
• Haik,
• HAASE,
• hayashi,
• hauck,
• haack,
• hake,
• hauk,
• Hackshaw,
• hag,
• haake,
• Hawks,
• haj,
• hacksaw.

The adjective form of "hakka" is "Hakkaic".

The plural form of the word "hakka" is also "hakka".

The singular form of the word "hakka" remains the same, as it is already in its singular form.