Correct spelling, explanation: the origin of the word safely can be found in the Latin form salvus, which used to mean uninjured. Old French also acquired the word safely, which looked as sauf. When it comes to English, first the form save appeared, and then, in the Middle Ages, safe entered the language and shortly afterward safely appeared, too.

Definition of safely:
1. adverb – without any danger, in a safe manner,
There is thick fog outside so drive safely, please.

Phrases with safely:
Some common phrases with safely include: land safely, safely stored, and safely remove.
The weather conditions were horrible, but somehow the pilot landed safely.
Your money is safely stored so you don’t have to worry about it while you’re away.
It was a difficult operation, but the panel of surgeons managed to safely remove the tumor.

Incorrect spelling, explanation: safely has a relatively simple pronunciation and spelling. However, there is another, similar word from this word family, which is safety and some users of English tend to mix them, which results in various spelling mistakes. A popular one is to spell safely as safetly, which is wrong.

Incorrect spelling

Incorrect spelling

Incorrect spelling

Incorrect spelling