Answer: WOOD
WOOD is a crossword puzzle answer that we have spotted 144 times.
    - A three or a five, for instance
 
    - Caddie's offering
 
    - Not an iron
 
    - Golf club
 
    - Modeling medium
 
    - Whittler’s material
 
    - Percussion instrument struck with a mallet
 
    - With 34D, a pretty tree
 
    - Club option
 
    - Cherry, e.g.
 
    - Grove
 
    - Iron alternative
 
    - Fifth-anniversary gift
 
    - Object of the actions suggested by the starts of 17-, 30-, 47- and 66-Across
 
    - Ebony, e.g.
 
    - Fireplace fuel
 
    - Whittling material
 
    - Teak, for one
 
    - Ebony, for one
 
    - PGA driver
 
    - Club selection
 
    - Stud material
 
    - You saw it
 
    - Knock on ___
 
    - Termite's treat
 
    - Ash or alder
 
    - Fireside stack
 
    - Fuel for the fire
 
    - Alternative to an iron, in golf
 
    - Actress Natalie
 
    - Anniversary gift after linen
 
    - Reading Dynamics proponent
 
    - Golfer's choice
 
    - Fifth anniversary gift
 
    - The Beatles' "Norwegian __"
 
    - With 12-Across, hint to four related words hidden in this puzzle's four longest answers
 
    - Forest
 
    - See 17 Across
 
    - Lumber or log
 
    - Carpentry raw material
 
    - Cherry or walnut
 
    - Ax target
 
    - Lathe stock
 
    - Carpentry material
 
    - Tee-shot club
 
    - Cord contents
 
    - Stuff in a trunk?
 
    - Caddie's offering, perhaps
 
    - "Rebel Without a Cause" co-star
 
    - Cord content
 
    - Builder's need
 
    - Carpenter's need
 
    - Lumber
 
    - Alternative to an iron
 
    - Country club club
 
    - Treat for a termite
 
    - Kindling
 
    - WhittlerÂ’s material
 
    - The Beatles' "Norwegian ___"
 
    - 5th wedding anniversary gift
 
    - First Canadian woman atop Everest
 
    - IWA word
 
    - 5th anniversary gift or Saskatchewan lake
 
    - Carpenter's supply
 
    - It's chopped in the fall
 
    - Morning ___
 
    - Unfinished furniture?
 
    - 'Plan 9 From Outer Space' director
 
    - Director played by Depp
 
    - 'Gypsy' star Natalie
 
    - Rolling Stones guitarist
 
    - Oak or pine
 
    - Certain stove filler
 
    - Whittler's material
 
    - Teak, for example
 
    - Termite's meal
 
    - Cord under a tarp
 
    - Fuel for a firepit
 
    - Golf club now made of metal
 
    - [5]
 
    - She said In ____ , Mani-toba
 
    - Heating fuel, for some
 
    - Potbellied stove's fuel
 
    - Logs
 
    - Mahogany or teak
 
    - Flooring material
 
    - Alberta's ______Buffalo World Heritage park
 
    - Saskatchewan's White ______
 
    - See 51-Across
 
    - Makeup of one of the homes of the Three Little Pigs
 
    - Covered club, usually
 
    - Timber
 
    - Beech and birch
 
    - Stacked fuel
 
    - "Ed ___" (Depp film)
 
    - With 69-Across, description of the last word of the puzzle's four longest answers
 
    - Balsa, say
 
    - Pinocchio material
 
    - Oak or elm
 
    - Hemlock or birch
 
    - Furniture material
 
    - Knocker's target?
 
    - Common furniture material
 
    - Fuel for the fire?
 
    - Natalie of "Gypsy"
 
    - Fuel for a fireplace
 
    - Locust, for instance
 
    - More ___ (Ontario village)
 
    - Choice for a par 5 hole, often
 
    - Lumberyard purchase
 
    - Winter cord
 
    - Birnam, in "Macbeth"
 
    - Metal or composite club, ironically
 
    - Walnut, for one
 
    - Mahogany or oak
 
    - Pinocchio's makeup
 
    - Misnomer for a modern golf driver
 
    - Campfire collection
 
    - What lumber is made of
 
    - Ebony or mahogany
 
    - Cherry, for one
 
    - Planks
 
    - Stove fuel
 
    - Outdated tennis racket material
 
    - Fireplace stack
 
    - Desk material
 
    - Stack under a tarp
 
    - Oak or teak, e.g.
 
    - Canvas for some pyrography
 
    - Purchase at a pro shop
 
    - What some toy blocks are made of
 
    - Something to knock on
 
    - Lumber or timber
 
    - What carpenters saw
 
    - Palo Santo material
 
    - Golfer's selection
 
    - Material for old golf clubs and tennis rackets
 
    - *Energy source whose production contributes to 36-Across
 
    - Campfire material
 
    - Where fairy tale creatures often live
 
    - What the "Mona Lisa" is painted on
 
    - Bonfire fuel
 
    - Golf club choice
 
    - What a whittler whittles