11.   This will insure a watertight seal.

a. + seal >>共 244
presidential 7.50%
state 6.11%
official 4.89%
tight 2.79%
adult 2.27%
airtight 2.27%
royal 2.09%
dead 2.09%
watertight 1.92%
good 1.57%
watertight + n. >>共 40
seal 13.41%
compartment 9.76%
bulkhead 8.54%
container 6.10%
door 6.10%
case 6.10%
barrier 4.88%
hold 2.44%
defense 2.44%
enclosure 2.44%
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