Related by context. Frequent words. (Click for all words.) 50 clogged 42 removing 40 repairing 40 cleaning 39 reducing 38 drains 36 clearing 36 stabilizing 36 relieve 36 restoring 35 blocking 35 diverting 35 draining 34 freeing 34 improving 34 overhauling 34 connecting 34 plugging 34 eliminating 34 narrowing 33 shutting 33 cleaner 33 filling 33 preventing 33 easing 33 curbing 32 replacing 32 drainage 32 stimulating 32 facilitating 32 pumping 32 reforming 31 flowing 31 finding 31 resolving 31 drain 31 lowering 31 bolstering 31 reviving 31 minimizing 31 washing 30 maintaining 30 paving 30 tending 30 flow 30 congested 30 revamping 30 lining 29 dumping 29 hauling 29 regulating 29 converting 29 stopping 29 tossing 29 drying 29 creating 29 broadening 29 funnel 29 upgrading 29 rescuing 29 avoiding 29 widening 29 fixing 29 turning 29 overflowing 29 solving 29 Clean 29 providing 28 halting 28 getting 28 disrupting 28 Improving 28 ensuring 28 expanding 28 piling 28 keeping 28 putting 28 grease 28 boosting 28 squeezing 28 treating 28 navigating 28 removal 28 streamlining 28 congestion 28 clean 28 injecting 28 spurring 28 gridlock 28 alleviate 28 ripping 28 protecting 28 throwing 28 artery 27 choking 27 installing 27 obstruction 27 tearing 27 blocked 27 maximizing 27 repair