After taking the lead through a Fabian Schar free-kick, The Magpies let the game get away from them with goals from Ben Davies, Matt Doherty, Heung-Min Son and Emerson Royal seeing the hosts 4-1 ahead just after the hour mark.
Substitute Steven Bergwijn then completed the rout late on to make it 5-1 as The Magpies suffered a third straight defeat.
Here are the player ratings from the the match…
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1. Martin Dubravka - 4
Got nowhere near any of the goals. Barely made a save otherwise. Photo: Shaun Botterill
2. Javier Manquillo - 3
Caught out of position on several occasions, losing his man for Spurs' second goal. Not enough quality on or off the ball. Photo: Stu Forster
3. Fabian Schar - 4
A fine free-kick gave Newcastle the lead in the first half but his poor pass led to Spurs taking the lead in the second. Photo: Stu Forster
4. Dan Burn - 3
Had a solid first half but lost his composure in the second along with Newcastle. Booked. Photo: George Wood