実は【じつは】
as a matter of fact, by the way, to tell you the truth, to be honest, frankly
真実【しんじつ】
truth, reality, truly, really, absolute truth
事実【じじつ】
fact, truth, reality
現実【げんじつ】
reality, actuality, hard fact
実際【じっさい】
reality, actuality, truth, fact, actual conditions, practice (as opposed to theory), truly, really, indeed, actually, bhutakoti (limit of reality)
実験【じっけん】
experiment, experimentation
確実【かくじつ】
certain, sure, definite, reliable, sound, solid, safe, secure
実力【じつりょく】
(real) ability, true strength, merit, efficiency, competency, arms, force
実に【じつに】
indeed, really, absolutely, truly, actually, very, quite
実現【じつげん】
implementation (e.g. of a system), materialization, materialisation, realization, realisation, actualization, actualisation
無実【むじつ】
innocence, guiltlessness, false accusation, false charge, absence of the fact, insubstantiality, lacking substance, insincerity, dishonesty
実行【じっこう】
execution (e.g. of a plan), carrying out, practice, action, implementation, fulfillment, realization
実家【じっか】
(one's parents') home
誠実【せいじつ】
sincere, honest, faithful
実況【じっきょう】
actual state (of things), real state, actual condition, real condition, actual scene, live, on-the-scene, reporting live, live coverage, live broadcasting, Let's Play (YouTube, etc. playthrough of a video game)
忠実【ちゅうじつ】
faithful, devoted, loyal, honest, true
実感【じっかん】
real feeling, actual feeling, to actually feel, to have a real feeling (that ...), to experience personally
忠実【まめ】
diligent, hardworking, conscientious, sincere, healthy, fit, faithful, devoted
口実【こうじつ】
excuse, pretext
実在【じつざい】
actual existence, real existence, existing in real life