| ち | っ | 
|---|---|
| 窒 | 
| そ | 
|---|
| 素 | 
noun, takes genitive case の
- nitrogen (N).
Variations
| Pronunciation | Kanji | Kana | Is Common | |||||
|---|---|---|---|---|---|---|---|---|
| 
 
 | 窒素 | ちっそ | ✔ | 
Contained Kanji Breakdown
plug up, obstruct
チツ (8th, N1)
hole, aperture, slit
あな ケツ けな (6th, N1)