Revelation 3:20-22

^A “listen” = idou. From eido (to be aware, see, know, remember, appreciate). This is see! Lo! Behold! Look! Used to express surprise and or draw attention to the statement.
^B “standing” = histemi. This is to stand, place, establish, appoint, stand ready, be steadfast.
^C “door” = thura. This is opening or closure so it’s a door, gate, or entrance. Figuratively, this can refer to an opportunity.
^D “knocking” = kruouo. 9x in NT. To knock, hit a door with a stick in order to enter.

^E “hear” = akouo. This is hear or listen, but it also means to understand by hearing. This is where the word “acoustics” comes from.
^F “voice” = phone. Probably from phemi (to declare, say, use contrasts in speaking to shed light on one point of view); {from phao (to shine) or phaino (to bring light, cause to appear, shine, become visible or clear). This is a voice, sound, tone or noise. It can also be a language or dialect.
^G “open” = anoigo. From ana (up, back, again, among, between, anew) + oigo (to open). This is to open in  literal or figurative sense.
^H “come in” = eiserchomai. From eis (to, into, for, among) + erchomai (to come, go). This is to go in in a literal or figurative sense.
^I “eat” = deipneo. 4x in NT. From deipnon (a dinner or a feast – a meal in the afternoon or, more commonly, the evening); from the same as dapane (cost or expense); from dapto (to devour). This is to eat the main, evening meal.

^J “conquers” = nikao. From nike (victory, conquest; figurative for what makes one successful). This is to have victory, overcome, conquer, or prevail. It implies a victory that follows a battle. This root is part of “Nicodemus’s” name and it is also the root where Nike comes from.
^K “give” = didomi. To give, offer, place, bestow, deliver. This is give in a literal or figurative sense.
^L “place” = kathizo. From kathezomai (to sit down, be seated); {from kata (down, against, according to, among) + hezomai (to sit); {from aphedron (a seat, a base)}}. This is to sit, set, appoint, stay, rest.
^M “throne” = thronos. Probably from thanos (bench); from thrao (to sit). This is throne or seat – the place where the king sits. So, it is used figuratively to mean power, dominion, or a potentate. This is where the word “throne” comes from.
^N “sat down” = kathizo. Same as “place” in v21. See note L above.
^O “Father” = Pater. This is father in a literal or figurative sense. Could be elder, senior, ancestor, originator, or patriarch.

^P “ear” = ous. This is the physical ear, or the perception of hearing, whether physical or cognitive.
^Q “listen” = akouo. Same as “hear” in v20. See note E above.
^R “Spirit” = Pneuma. From pneo (to blow, breathe, breathe hard). This is wind, breath, or ghost. A breeze or a blast or air, a breath. Figuratively used for a spirit, the human soul or part of us that is rational. It is also used supernaturally for angels, demons, God, and the Holy Spirit. This is where pneumonia comes from.
^S “churches” = ekklesia. From ek (from, out from) + kaleo to call by name, invite, to name, bid, summon, call aloud) {related to keleuo (to command, order, direct); from kelomai (to urge on)}. This is properly a calling out or an assembly. It was used to refer to a church.