| ef | ef core (3), core ef (1), framework ef (1), partner ef (1), ef accounting (1), regulation ef (1), ef solutions (1), fluidum ef (1), ef tinctures (1), pl ef (1), ef mount (1), eos ef (1), ef mm (1) |
| efc | efc belgium (1), efc market (1), efc merch (1), curve efc (1), efc pc (1), custom efc (1), efc workshop (1), bed efc (1), use efc (1), company efc (1), food efc (1), efc european (1), hïvy efc (1) |
| effective | cost effective (212), effective way (96), effective solution (79), effective communication (48), highly effective (41), efficient effective (36), effective efficient (24), fast effective (19), simple effective (18), safe effective (17), effective treatment (17), effective strategy (17), effective marketing (16) |
| effectively | quickly effectively (14), order effectively (9), effectively efficiently (6), safely effectively (6), strategy effectively (6), ability effectively (6), able effectively (6), team effectively (5), effectively target (5), business effectively (5), process effectively (5), effectively audience (5), message effectively (4) |
| effectiveness | cost effectiveness (30), effectiveness ad (17), previously effectiveness (14), efficiency effectiveness (11), effectiveness efficiency (9), safety effectiveness (7), effectiveness product (5), team effectiveness (5), effectiveness advertising (5), effectiveness treatment (4), marketing effectiveness (3), effectiveness clinical (3), personal effectiveness (3) |
| efficacy | safety efficacy (7), efficacy coronaviruses (2), term efficacy (2), precision efficacy (1), efficacy patient (1), new efficacy (1), efficacy rosary (1), technique efficacy (1), efficacy sustainability (1), quality efficacy (1), efficacy effectiveness (1), efficacy ibrutinib (1), analysis efficacy (1) |
| efficiency | energy efficiency (73), high efficiency (35), cost efficiency (34), operational efficiency (31), efficiency cost (25), efficiency productivity (19), quality efficiency (18), maximum efficiency (18), process efficiency (15), business efficiency (15), great efficiency (14), efficiency high (14), efficiency quality (13) |
| efficient | efficient way (108), energy efficient (94), fast efficient (79), cost efficient (78), efficient solution (62), efficient effective (33), safe efficient (32), highly efficient (30), efficient manner (29), efficient service (28), process efficient (27), effective efficient (26), quick efficient (25) |
| efficiently | quickly efficiently (49), efficiently possible (18), efficiently certain (17), cookie efficiently (14), fast efficiently (11), business efficiently (8), efficiently thank (6), solution efficiently (6), efficiently effectively (6), process efficiently (5), goal efficiently (5), work efficiently (5), efficiently need (5) |
| effortless | effortless style (4), effortless access (3), effortless installation (3), effortless way (3), woman effortless (2), easy effortless (2), seamless effortless (2), effortless experience (2), system effortless (2), effortless chic (1), essential effortless (1), effortless look (1), solution effortless (1) |
| effortlessly | quickly effortlessly (3), approach effortlessly (3), effortlessly quick (2), effortlessly chic (2), project effortlessly (2), system effortlessly (2), customer effortlessly (2), effortlessly daily (2), effortlessly specific (2), effortlessly station (2), process effortlessly (2), effortlessly device (2), effortlessly professional (2) |
| efi | efi system (2), efi invest (1), efi june (1), fitech efi (1), diy efi (1), efi electronic (1), efi matériel (1), original efi (1), desktop efi (1), efi bios (1), disk efi (1), grub efi (1), efi grub (1) |