Select the correctly spelt word.

Discern

The correctly spelled word is Discern.

The other options are misspelled as follows:

• Harrass is spelled correctly. It means to annoy or bother someone persistently.
• Reppercusions is misspelled. The correct spelling is Repercussions. It means the effects or consequences of an action.
• Appealling is misspelled. The correct spelling is Appealing. It means attractive or interesting.