• aceptant,
• hebnane,
• heptanwe,
• heptan,
• heptanee,
• heptene,
• hedecane,
• Hepten,
• hepptade,
• Heptada,
• heptaech,
• heptrach,
• heptatech,
• hepptene,
• heptione,
• Heqtine,
• Heptyne,
• heptoone,
• heptyll,
• Heptylane

• heftiness,
• heating,
• neptune.

The adjective form of the word "heptane" is "heptaneic".

The plural of the "heptane" can be the "heptanes".

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