Unwontedly vs Unwantedly - What's the difference?

As adverbs the difference between unwontedly and unwantedly

is that unwontedly is unusually while unwantedly is in an unwanted manner.

(en adverb)

Unusually

* 1917 , Edward Thomas, Adlestrop

Yes. I remember Adlestrop—

The name, because one afternoon

Of heat the express-train drew up there

Unwontedly . It was late June.

(en adverb)

In an unwanted manner.

She became unwantedly pregnant.