Crossword Puzzle Fundamental defect

Clue: Fundamental defect

Fundamentals of education (THREERS with 7 letters)
Eye defect: Comb. form (OPIA with 4 letters)
Holdings in fundamental disagreement with the status quo (HERESY with 6 letters)
Speech defects (LISPS with 5 letters)
Make defective (e.g. MAIM with 4 letters)
Money back for a defective fastener? (THERETURNOFTHESCREW with 19 letters)
Quartet, after a defection (TRIO with 4 letters)
Fundamental of philosophy (TAO with 3 letters)
Challenger defect: 1986 (ORING with 5 letters)
Fundamental facts (BASICS with 6 letters)