SimilarityRank
balloon 0.739 10397
balloons 0.699 15760
jet 0.693 7774
ballooning 0.681 49823
inflatable 0.675 22078
paragliding 0.672 58218
inflatables 0.668 73936
biplane 0.656 79328
gondolas 0.638 80932
airplane 0.637 10210
steam 0.636 5583
geysers 0.630 73028
high-altitude 0.628 63273
tubing 0.628 17195
hovercraft 0.627 68527
bungee 0.627 42769
low-pressure 0.622 71462
igloo 0.620 80113
parachuting 0.619 87734
helium 0.619 31291
rafting 0.618 20612
skydiving 0.615 42233
pressurized 0.614 35578
jets 0.612 14694
parasailing 0.612 72539