• rucksaks,
• huckback,
• eucksack,
• ducksack,
• fucksack,
• tucksack,
• 5ucksack,
• 4ucksack,
• rycksack,
• rhcksack,
• rjcksack,
• rucsack,
• rucksak,
• rucksac,
• rucksacke,
• ruksac,
• Rubifack,
• Rucksake,
• Rukusack,
• Rucsac

• ruscus,
• ruzicka,
• ruscaceae,
• ruckus.

The adjective form of "rucksack" is "rucksack". The word "rucksack" can function as both a noun and an adjective to describe something related to or resembling a rucksack.

The plural of the "rucksack" can be the "rucksacks".

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