Denver, which took a 3-2 lead in the best-of-seven series, also got 18 points and nine assists from Jamal Murray, Reuters reported.
Gary Harris finished with 16 points, and Malik Beasley and Will Barton scored 10 points apiece for the Nuggets.
Game 6 is tonight in Portland, where the Nuggets won on Sunday in Game 4 to take back home-court advantage. Game 7, if necessary would be played Sunday in Denver. One more win by the Nuggets would put them in their fourth Western Conference finals and first in 10 years.
Damian Lillard scored 22 points for Portland, which faces an elimination game for the first time in this year’s playoffs. Rodney Hood and Zach Collins scored 14 points each, and CJ McCollum added 12 points.
The Nuggets never trailed, led by as many as 31 and outscored Portland 62-40 in the second and third quarters.
Raptors rout 76ers
In the Eastern Conference semifinal series, Kawhi Leonard scored 21 points and grabbed 13 rebounds as the Toronto Raptors defeated the visiting Philadelphia 76ers 125-89 Tuesday night to take a 3-2 lead.
The Raptors can clinch the best-of-seven set by winning Game 6 tonight in Philadelphia. Game 7, if necessary, would be played Sunday in Toronto.
Pascal Siakam had 25 points and eight rebounds for the Raptors. Kyle Lowry added 19 points, Danny Green had 17 points, Marc Gasol contributed 11 and Serge Ibaka scored 10.
Ibaka needed stitches after getting elbowed in the forehead by Leonard in the first quarter, but the center returned to start the second quarter.
Jimmy Butler scored 22 points and added seven assists for the 76ers. Tobias Harris contributed 15 points, Joel Embiid had 13 and Mike Scott chipped in with 10. Embiid committed a game-high eight turnovers.
The Raptors took command of the game by outscoring the Sixers 37-17 in the second quarter, and Toronto led by 22 points entering the fourth quarter.