Related by context. Frequent words. (Click for all words.) 61 functioning 54 existed 52 function 52 acted 49 served 48 worked 46 operated 44 operate 44 evolved 41 housed 40 serves 39 practiced 39 performed 38 constructed 38 played 38 established 38 functions 38 handled 38 functional 37 exists 37 utilized 37 belonged 36 formed 36 observed 36 exist 35 looked 35 regarded 35 serve 35 controlled 35 known 35 maintained 34 existence 34 gone 34 operates 33 done 33 built 33 stayed 33 went 33 sat 33 ran 33 organized 32 works 32 relied 32 regulated 32 developed 32 lived 32 installed 32 studied 32 acting 31 emerged 31 lacked 31 administered 31 pitched 31 created 31 understood 31 remained 31 composed 30 participated 30 used 30 lasted 30 transformed 30 described 30 structured 30 smoothly 30 implemented 30 regulate 29 assembled 29 performs 29 handles 29 arranged 29 succeeded 29 defined 29 assumed 29 employed 29 opened 29 serving 29 equipped 29 stood 29 suited 28 sounded 28 been 28 was 28 lit 28 competed 28 managed 28 applied 28 occupied 28 appointed 28 referred 28 had 27 rode 27 documented 27 attended 27 felt 27 happened 27 portrayed 27 demonstrated 27 mounted 27 communicate 27 conducted 27 consists