Solution

STAIR

2 clues

Flight component

Word class: Common noun
Nature of clue: Description
Difficulty: Easy
Sources: Boatload Puzzles
Topics: Building - Construction - Architecture

Step

Word class: Common noun
Nature of clue: Synonym
Difficulty: Very easy
Sources: Boatload Puzzles
Topics: Building - Construction - Architecture

Other solutions to Step

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