flank: (anat., milit.) flanko; (geom., arch.) latero; f. attack: flank-ala atako; -er: (milit.) flank-um-anto.
flannel: flanel-o, -a, -atra; Canton f.: moltono.
flap: (strike) frapar (lejere); (wings) brandisar; batar.
flap: (slap) (manu-)frapo; (wings) alo-stroko; (tail of garment) basko; (movable piece) klapo; (of envelope, trousers, etc.) klapo.
flapper: klapo; frap-ilo.
flare: (intr.) flagrar; (ek-)flam-ifar; (fig.) irac-eskar, pasion-oz-eskar.
flash: (tr., intr.) fulminar; (intr.) flagrar, bril-eskar; (like lightning) (intr.) fulgurar; (explode) (intr.) explozar.
flash: flagr-ajo; fulmino; bril-esk-ajo; (of firearms) paf-fulmino; (lightning) fulguro; f. of eye: okulo-stroko rapida: rapida regard-eto; f. in the pan: fiasko; f.point: explozo-punto; f.light powder: fulguro-pulvero.
flask: flakon-(et)o; botel-(et)o; posh-botelo.
flat: (also fig.) plat-a; (beer, wine) sen-sapora, insipida; (com.) kalma, langor-anta; (mus.) bemolo; f.-nosed: plat-naz-a, (person) -(ul)o; to lay f.: kushar plate; f. car: (R.R.) truko; (dray) kamiono; f. feet: plata pedi: f. place: plat-eyo; plan-o; f. object: plat-ajo; f.ness: plat-eso; (set of rooms) apartamento (etaj-ala); chambr-aro; -ten: plat-igar, -eskar; plan-igar; f. out: (roll flat) laminar; -tish: plat-a, -atra.
flat-iron: glat-ig-ilo.
flatter: flat-ar, -achar; -er: flat-anto, -ero, -emo; -ing: flat-anta, -ema, -oza.
flatulence: flatu-oz-eso (cf. flatuar).
flatulent: flatu-oza, -ema.
flaunt: (tr., intr.) paradar; ostenar.
flavour: (savour, taste of a thing) saporo (cf. odoro, aromo); to have a f.: saporar; to give a f. to: sapor-igar, arom-izar; (spice) spic-izar, kondiment-izar; without f.: sen-sapora; ne-spic-iz-ita; -ed: sapor-oza; spic-iz-ita; (substance) add -ajo; -ing: spico, kondimento.
flaw: defekto (cf. fend(et)uro; knik-uro); -less: sen-defekta; perfekta; sen-makula.
flawn: flado.
flax: (bot.) lin-o, (fabric) -ajo; -en: lin-a, -ala, -atra; -ea; (hair) blonda; -seed: lin-semin-o, -i.
flay: sen-pel-igar; (fig.) exkoriar.
flea: pulco.
fleabane: pulikario.
fleck: maskul-(et)izar; (streak) stri-izar.
fledged: plum-iz-ita; fully-f.: (fig.) tote kapabla; diplom-iz-ita.
fledgling: ucel-yuno.
flee: (tr., intr.) for-(fugar), -eskar; (cause to) -igar (cf. for-, ek-kurar); for-flugar; eskapar; refujar su (che).
fleece: tondar; (fig.) eskrokar.
fleece: (n.) lan-felo; golden f.: ora lan-felo; -cy: lan-oza, -atra; (clouds) flok-oza.
fleet: rapida, ajila; -ing: fug-anta, -ema; pas-anta; ne-dur-iva, efemera.
fleet: (under one naval command) floto; (of a nation, of a company) nav-aro; (squadron) eskadro.
flesh: karno; (fig.) korpo (sensuala); to make one’s f. creep: facar ganso-pelo ad ulu; to put on f.: replet-eskar; divenar gras-oza; to make of one f.: facar un korpo; f.-coloured: karn-ea; -iness: replet-eso, korpulent-eso; -less: magr-(eg)a; sen-karna; -ly: karn-ala, korp-ala, mond-um-ala; -y: karn-oza, gras-oza, korpulenta, (chubby) repleta; (fruits) pulp-oza; fl.-eating: karno-manj-anta; f. tint: karnaciono.
fleur-de-lis: lili-floro.
flex: (tr., intr.) flexar; -ibility: flex-ebl-eso; -ion: flex-o, -ado, -uro; (gram.) flexiono; -or: flex-anta (muskolo); -uous: flex-oza.
flick: frapetar.
flicker: vacil-et-ar (intr.), tremar; (intr.) fluktuar (intr.)
flies: (theat.) sofiti.
flight: (person) fugo (cf. flee); to take f.: fug-eskar; to put to f.: fug-igar (ulu); (birds) flug-(ad)o; (aviation) aviac-ado; (flock) trupo; (of time) kurso; f. of stairs: eskalero; f. of steps: (outside house) perono.
flighty: frivola, kapric-oza, -ema; ne-konstanta; vari-ema.
flimsy: ne-solida; ne-substanc-ala; mol-acha, des-forta.
flinch: (intr.) salt-etar, mov-etar; hezitar.
fling: jetar, lansar; f. away: for-jetar, (as money) prodigar; f. about: lansar omna-latere; f. open: apertar bruske o subite; f. off: (garments) desmetar impetu-oze; f. out: ek-jetar, lansar ad-extere, (spout) (intr.) spricar; f. up: (fig.) abandonar.
fling: (throw) jeto, lanso; ek-lanso; (aspersion) perfida insinu-ajo; I have had my f.: me nun liber-eskas de fol-aji.
flint: silex-o; f.lock: paf-ilo-silexo, fusilo kun silexo; f. glass: flintglaso; -y: silex-oza, -atra; (fig.) harda, severa.
flip: frapetar; jet-etar.
flippant: frivola; impertinenta.
flipper: floso; nat-ilo; (fig.) manuo.
flirt: (intr.) flirtar (kun); koket-igar (ulu); fol-lud-etar; (n.) koket-ino, -ulo; amor-em-(ul)o; flirt-anto, -emo.
flit: (intr.) flug(et)ar (rapide); -ting: flug-anta; rapida.
float: (intr.) flotacar; (like a flag) (intr.) fluktuar; (swim) natar surface; f. a company: formacar kompanio.
float: flotac-ajo; floso; (in pageant) vetur-platformo, -rafto (orn-anta); f. line: (load waterline) flotaco-lineo, -nivelo.
flocculent: flok-oza, -atra.
flock: amas-eskar; asemblar.
flock: trupo, bando, grupo; turbo; (of wool, etc.) (lano-)floko; tond-ajo, lanugo; (parishioners) parokian-aro, kongregaciono.
floe: glaci-peco, -amaso, -feldo (flotacanta).
flog: flogar, verg-agar, -batar; gluteo-batar; gurt-fraper.