• quadratic,
• 1uartic,
• 2uartic,
• wuartic,
• auartic,
• qyartic,
• qhartic,
• qjartic,
• qiartic,
• q8artic,
• q7artic,
• quzrtic,
• quertic,
• quarteric,
• quartick,
• quartical,
• quarticly,
• cuartic,
• quartise,
• cuartick

• quartzite,
• Quartzose,
• quartz.

The adjective form of the word "quartic" is "quartic". The word "quartic" is an adjective itself and is used to describe something that is related to or characteristic of a quartic function or equation.

The plural of the "quartic" can be the "quartics".

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