different between thankly vs thanky

English

thank +? -ly

thankly (comparative more thankly, superlative most thankly)

(obsolete) thankfully
- 1608, Josuah Sylvester, Du Bartas his divine weekes and workes
  He giveth frankly what we thankly spend

thanky

Pronunciation spelling of thank you, representing African-American Vernacular English.
- 1937, Zora Neale Hurston, Their Eyes Were Watching God, Harper Perennial (2000), page 143:
  “Thanky Ma’am. Ah hates dat woman lak poison. Keep her from round dis house. Her look lak uh white woman!

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