20 Letter Words Starting With A
Every 20-letter word that starts with the letter A, in alphabetical order. Tap any word for its definitions, syllables and game scores.
ALL WORDS A TO Z
abdul rahman hourieh32abel janszoon tasman38abetalipoproteinemia28abolhassan bani-sadr26absent without leave29absolute temperature25absorption indicator26abutilon theophrasti29academic disputation29academic institution26academic requirement37acadia national park27acanthisitta chloris29acanthosis nigricans27acanthurus chirurgus30accelerator globulin26accessory chromosome35accidental discovery33accommodation ladder30accommodation reflex38accompaniment figure33accordance of rights32accounting principle30accumulator register26acellular slime mold25acetous fermentation26acetylene dichloride31acetylmethylcarbinol37acetylsalicylic acid34achievement quotient38achillea millefolium31acocanthera venenata29acridotheres tristis25action consciousness25active matrix screen34activity coefficient37acts of the apostles27acute brain disorder24acute kidney failure31acute pyelonephritis31adenanthera pavonina28adiabatic absorption28adirondack mountains29adjective equivalent44adrenocorticotrophic32adrenocorticotrophin30adult-onset diabetes22adventure playground30advertising campaign31advertising division28aerobacter aerogenes24aerospace technology32affirmative attitude31affirmative pleading34afghan monetary unit30african green monkey33afroasiatic language26agapanthus africanus30agastache foeniculum32agastache nepetoides28agence france-presse28agricultural laborer24agriculture divinity29agriocharis ocellata27ahmed hassan al bakr32ahmed hassan el bakr32ahmed hassan el-bakr32ahmed salman rushdie30alan alexander milne28alan mathison turing24alaska standard time26albert szent-gyorgyi37albizzia julibrissin48alcibiades arosemena26alcoholic meningitis29alcoholics anonymous31alfred lord tennyson26alfred louis kroeber28algorithmic language29alice-josephine pons34alkaline-earth metal27allamanda cathartica29alliaria officinalis27allium haematochiton31allium schoenoprasum30allium scorodoprasum28almond-leaves willow30alnus veridis crispa26alocasia macrorrhiza37alopecurus pratensis25alosa pseudoharengus26alpha-linolenic acid28alphabetic character35alphanumeric display34alsobia dianthiflora28alternative birthing28alternative medicine27alternative pleading26aluminum borohydride33amalgamation process28amaryllis belladonna27ambassadors-at-large24ambiguous expression33ambystoma talpoideum33american bittersweet28american dwarf birch36american featherfoil32american globeflower32american labor party29american water ouzel34american water shrew31american white birch35aminoquin naphthoate38amorphous phosphorus36amphetamine sulphate33amphibious operation30amphicarpa bracteata34amplification factor33amplitude distortion25amplitude modulation27amsinckia intermedia30amyloid degeneration27anaclitic depression26analysis of variance29analytic philosopher34anatomical pathology32anatomical reference28anatomical sphincter30anatomical structure25andrew dickson white35andropogon scoparius27anemone occidentalis26anemone quinquefolia42angel anibal guevara25angle of inclination24anglo-ecclesiastical26angoumois grain moth27angular acceleration24animal communication29anisette de bordeaux29anna amalia mercouri24anopisthographically36anterior facial vein26antheraea polyphemus34antheropeas wallacei29anthropomorphization41anthurium andraeanum27anthyllis vulneraria28anti-aristotelianism21anti-corn law league23anti-intellectualism23anti-intellectualist21anti-intellectuality24antiaircraft barrage27antiblastic immunity30anticapitalistically29anticholinergic drug29anticonfederationism28anticonfederationist26antidiuretic hormone27antienthusiastically28antiestablishmentism29antifriction bearing27antimilitaristically27antimony oxychloride40antimony trichloride30antimony trifluoride28antipodal opposition26anton van leuwenhoek31apatosaurus excelsus30apostolic succession27apothecaries' weight32appelation controlee25appetite suppressant27appointment calendar28appointment schedule31aptenodytes forsteri28aquila degli abruzzi49aquilegia canadensis32arabidopsis thaliana27araucaria columnaris25arches national park29archiepiscopal cross32archilochus colubris33archosaurian reptile26arctictis bintourong26arenaria caroliniana21argyrotaenia citrana25aristarchus of samos28aristocratic disdain25aristotelia racemosa23arithmetic operation28armchair philosopher36armillaria ponderosa24armillariella mellea23arnold daniel palmer24arnold lucius gesell22aromatic hydrocarbon34arrested development28artemisia absinthium28artemisia campestris27artemisia tridentata22arteria iliolumbalis23arteria testicularis21arterial blood gases22arterial transfusion22arthur garfield hays32arthur holly compton33arthur james balfour35article of furniture26artificial pacemaker34artificial satellite24artificial selection26arundinaria gigantea22ascaris lumbricoides28asexual reproduction31asian horseshoe crab28asian tiger mosquito30aspiration pneumonia25assessment insurance23assistant bookkeeper31associate in nursing21associated statehood26association football26association neurosis21assyrian neo-aramaic25astatic galvanometer27asterid dicot family30astronomical almanac27astropogon stellatus22athanasius the great25athletic competition30athyrium pycnocarpon38atlantic white cedar29atmospheric pressure30atrial septal defect26atriplex hymenelytra39atriplex lentiformis33attendance allowance27attorney-generalship28attributive genitive28aulostomus maculatus25aureolaria virginica25auricular confession26auricularia auricula23australian aborigine22australian cockroach32authoritarian regime25autographic recorder30autokinetic illusion25automatic dishwasher33automatic pinspotter27automatic technician30automatic technology32automobile insurance25automorphic-granular29autotrophic organism29auxiliary power unit33avalanche conduction32ayapana triplinervis29azerbaijani republic43azimuthal projection44
20 LETTER WORDS BY FIRST LETTER26
A WORDS BY LENGTH14
See the bigger listsAll 20 letter words, or every word starting with A.
20 letter words
Words starting with A