Solution

MOUNTAIN

2 clues

Everest, for one

Word class: Common noun
Nature of clue: Example
Difficulty: Very easy
Sources: Boatload Puzzles
Topics: Geography, Nature

Peak

Word class: Common noun
Nature of clue: Synonym
Difficulty: Very easy
Sources: Boatload Puzzles
Topics: Geography, Nature

Other solutions to Peak

Words are categorized by artificial intelligence: there can be mistakes.