There are lots of sentences you can make with effortlessly. Like...

I effortlessly answered that question.

Bob effortlessly ate a pie.

She jumped over the pole effortlessly.

And there are many many many more sentences you can mark with effortlessly.

What does the word effortlessly mean

The dog sailed effortlessly over the fence; and was gone in an instant.

Our team seemed to win the match effortlessly.

That is the correct spelling of the adverb "effortlessly" (with apparent ease).

Effortlessly, I used eight words in this sentence.

Seemingly effortlessly, I served enchiladas right after soup.