| effect | positive effect (36), beneficial effect (36), visual effect (20), special effect (18), negative effect (17), harmful effect (14), parallax effect (13), physiological effect (11), effect climate (10), change effect (10), environmental effect (10), effect health (9), good effect (9) |
| effective | cost effective (302), effective solution (126), effective way (75), highly effective (33), effective communication (23), fast effective (21), effective operation (18), effective method (18), effective work (17), effective tool (17), effective service (14), effective manner (14), effective treatment (14) |
| effectively | cost effectively (21), quickly effectively (17), company effectively (7), effectively possible (5), effectively company (5), effectively efficiently (5), need effectively (5), able effectively (4), business effectively (4), solution effectively (4), effectively development (4), effectively customer (4), effectively process (3) |
| effectiveness | cost effectiveness (23), previously effectiveness (8), effectiveness ad (8), efficiency effectiveness (7), effectiveness efficiency (5), effectiveness marketing (4), effectiveness project (4), effectiveness method (4), personal effectiveness (3), effectiveness treatment (3), company effectiveness (3), team effectiveness (3), effectiveness client (3) |
| efficiency | energy efficiency (82), high efficiency (28), cost efficiency (25), efficiency improvement (19), efficiency cost (16), efficiency production (11), operational efficiency (10), process efficiency (10), maximum efficiency (10), efficiency quality (10), quality efficiency (10), efficiency energy (9), efficiency business (9) |
| efficient | cost efficient (57), energy efficient (57), efficient solution (56), fast efficient (52), efficient way (47), efficient operation (26), efficient service (20), highly efficient (18), efficient work (18), quick efficient (18), reliable efficient (18), efficient effective (14), process efficient (14) |
| efficiently | quickly efficiently (27), efficiently possible (12), cookie efficiently (8), efficiently certain (8), system efficiently (5), task efficiently (5), efficiently quickly (5), efficiently work (5), process efficiently (5), efficiently time (4), effectively efficiently (4), client efficiently (4), team efficiently (4) |
| efficitur | efficitur ligula (3), blandit efficitur (3), efficitur ex (3), tempor efficitur (2), efficitur sapien (2), vel efficitur (2), amet efficitur (2), efficitur nisl (2), efficitur quam (2), ut efficitur (2), efficitur felis (2), efficitur quis (2), nec efficitur (2) |
| effort | time effort (20), great effort (11), collaborative effort (9), joint effort (9), good effort (6), despite effort (6), development effort (6), marketing effort (6), effort good (6), work effort (5), year effort (5), effort new (5), effort way (5) |