[かつどう, katsudou] (n, vs) action; activity; (P) #95
[かつやく, katsuyaku] (n) (1) activity (esp. energetic); great efforts; conspicuous service; (vs) (2) to flourish; to participate actively; to play an active role; (P) #1297
[ひ, hi] (pref) indicates the target of an activity; -ee (e.g. employee, examinee, trustee) #2186
[うごき, ugoki] (n) movement; activity; trend; development; change; (P) #2729
[だて, date] (pref) (1) central; main; head; chief; (suf) (2) (uk) just (done); freshly (baked); indicates activity only just occurred; (ctr) (3) counter for consecutive losses #2980
[かっせい, kassei] (n) activity; (P) #4082
[ぜい, zei] (suf) groups engaged in some activity (players, companies, forces, etc.) #4699
[はたらき, hataraki] (n) (1) work; labor; labour; (2) achievement; performance; ability; talent; (3) salary; income; earnings; (4) action; activity; workings; function; operation; movement; motion; (5) { ling } (also written as 活) conjugation; inflection; (P) #5810
[monita-(P); monita] (n) (1) { comp } (computer) monitor; (n, vs) (2) consumer who comments on products, television programs, etc. (programmes); (3) { comp } (See カウンター・4, モニ) program or utility that monitors a program or activity; (P) #9792
[ひやく, hiyaku] (n, vs) (1) leaping; activity; (2) leapfrog (over a problem); making a leap (e.g. in logic); (3) making great strides; making rapid progress; (4) emerging; (5) becoming active; playing an active part; (P) #12834