• 独立どくりつ — independence
• 独身どくしん — single, unmarried
• 独特どくとく — unique, peculiar
• 独語どくご — German (language)
• 孤独こどく — loneliness, solitude
• 単独たんどく — solo, single

独 combines the radical 犭 (animal) with 蜀 (phonetic). It originally suggested a lone creature and later extended to mean “alone” or “independent.” In modern usage, it can imply solitude, legal independence, or national identity — as in Germany (独).

彼かれは 独身どくしんです。
He is single.

日本にほんは 独立どくりつした 国くにです。
Japan is an independent country.