• 鼻はな — nose
• 鼻血はなぢ — nosebleed
• 鼻水はなみず — runny nose
• 鼻声はなごえ — nasal voice
• 鼻孔びこう — nostril
• 嗅覚きゅうかく — sense of smell
• 鼻はなが高たかい — to be proud
• 鼻炎びえん — rhinitis

The top part 自 originally depicted a nose; combined with a phonetic element below, it forms 鼻, the character for “nose.” It appears in medical and everyday words involving smell, congestion, and breathing.