morse code, cqd, signaler, planchette, hornpipe, beep, klaxon, teleprinter, morse, radiotelephone, telegraphy, vulcan, capstan, clapper, cogwheel, boop, telegraph, phoneme, foghorns, tintinnabulation, onomatopoeia, mudras, chuffs, pictogram, subspace, smalltalk, vocalisation, birdcall, ouija board, chiasmus, plumb bob, monosyllables, mnemonics, phonetic alphabet, flashing, palindromes, sextant, syntax, participle, dodgem, clacks, awk, alphabets, siren, conjugations, bleeper, zithers, clackers, homonyms, vibrating, pig latin, claxon, compass, fishwife, international phonetic alphabet, endearments, jolly roger, echo sounder, bardic, castanet, bosun, commands, diphthong, rebus, windsock, teletype machine, acrostics, en garde, ideograms, spi, hieroglyph, chirrup, nodder, boolean logic, metronome, hoot owl, topmast, scansion, whinny, longe, radiogram, cowcatcher, robotlike, homophones, trills, lexis, velocipede, callisthenics, sigint, operant conditioning, kettledrums, diacritics, bugle, quarterdeck, boolean, bell, clapperboard, beeper, treble clef, logarithms, phrasal verb, subroutine, mailbox, semaphores, bus, folder, switchboard, queue, selector, table, billboard, label, login, module, non, password, primary, server, token, binder, busses, clock, warning, wigwag, wireless, actuated, analyte, bearish, busy, cautionary, circularly, coded, command, concatenated, crossed, definition, electric, electromagnetic, ethernet, fm, generated, guard

apparatus, communicate, intercommunicate, setup, sign, signal, signalize