What's the difference between fuliginosity and fuliginous?

Fuliginosity

---

Definition:

• (n.) The condition or quality of being fuliginous; sootiness; matter deposited by smoke.

Example Sentences:

Fuliginous

---

Definition:

• (a.) Pertaining to soot; sooty; dark; dusky.
• (a.) Pertaining to smoke; resembling smoke.

Example Sentences: