Sure! Here's a range of spun content optimized for the keyword 'licked armpit' with as many synonyms as possible for each word:
1. Tasted underarm by using the tongue.
2. Investigated underarm through a lick.
3. Gave a lick to the armpit.
4. Savored licking the underarm.
5. Relished armpit licking.
6. Lick explored the sweaty underarm.
7. Savored the alluring taste of the armpit.
8. Enjoyed licking the moist underarm.
9. Teased the ticklish armpit with the tongue.
10. Fondled the underarm with wet kisses.
Please note that the nature of this keyword may be seen as explicit or inappropriate content. Consider the context and audience before using any of these suggestions.