19 letter words
ANTICONSERVATIONIST​24
ANTIFLUORIDATIONIST​23
18 letter words
ANTIVIVISECTIONIST​26
17 letter words
ANTIESTABLISHMENT​24
16 letter words (6 words)
ACCOMMODATIONIST​25
ANESTHESIOLOGIST​20
ANTHROPOMORPHIST​28
ANTIEVOLUTIONIST​19
ANTIREDUCTIONIST​19
ANTIUNEMPLOYMENT​25
15 letter words (20 words)
ACKNOWLEDGEMENT​28
ANTIFERROMAGNET​21
ASSIMILATIONIST​17
AFFRANCHISEMENT​28
AGRICULTURALIST​18
ANTHROPOMETRIST​22
ANTHROPOSOPHIST​25
ANTIABORTIONIST​17
ANTICLERICALIST​19
ANTICOLONIALIST​17
ANTIDEVELOPMENT​23
ANTIMATERIALIST​17
ANTINATIONALIST​15
ANTIRATIONALIST​15
ANTITRANSPIRANT​17
APOPHTHEGMATIST​28
ARBORICULTURIST​19
ARCHAEOBOTANIST​22
ARCHEOZOOLOGIST​30
ASTRODYNAMICIST​23
14 letter words (31 words)
ACCOMPLISHMENT​27
ACKNOWLEDGMENT​27
ANTIDEPRESSANT​17
ANTHROPOLOGIST​20
ARRONDISSEMENT​17
ANTICONVULSANT​19
ASTROPHYSICIST​24
ANTIPERSPIRANT​18
AGGRANDIZEMENT​28
AROMATHERAPIST​21
AFTERTREATMENT​19
ANTIGOVERNMENT​20
AGGRANDISEMENT​19
ANTICAPITALIST​18
ASTROBIOLOGIST​17
ABSORBEFACIENT​23
ABSTRACTIONIST​18
AERODYNAMICIST​22
ANTIFEDERALIST​18
ANTIHARASSMENT​19
13 letter words (34 words)
ADVERTISEMENT​19
ACCOMPANIMENT​23
APPORTIONMENT​19
ARCHAEOLOGIST​19
ANTICOAGULANT​16
ACUPUNCTURIST​19
ASCERTAINMENT​17
AGRICULTURIST​16
ABORTIFACIENT​20
ANTITERRORIST​13
ANTICOMMUNIST​19
ABSTENTIONIST​15
ACCOUSTREMENT​19
ADAPTATIONIST​16
ADMEASUREMENT​18
ADVERTIZEMENT​28
AEROBIOLOGIST​16
AFFREIGHTMENT​25
AGROBIOLOGIST​17
AGROSTOLOGIST​15
12 letter words (49 words)
ANNOUNCEMENT​16
ASTONISHMENT​17
AFTERTHOUGHT​22
ABOLITIONIST​14
ARCHEOLOGIST​18
ANAESTHETIST​15
ANTIAIRCRAFT​17
AFORETHOUGHT​22
ADMONISHMENT​20
ACCORDIONIST​17
APPRAISEMENT​18
ACCOUTREMENT​18
ACCOMPANYIST​23
ACCOUCHEMENT​23
ACCOUPLEMENT​20
ACCOUTERMENT​18
ACCUSTREMENT​18
ADMINISTRANT​15
ADULARESCENT​15
AESTHETICIST​17
11 letter words (72 words)
APPOINTMENT​17
ACHIEVEMENT​21
ARRANGEMENT​14
ADVANCEMENT​19
AFTERMARKET​20
ANTIOXIDANT​19
ADJOURNMENT​21
ABANDONMENT​16
APPARTEMENT​17
ARRAIGNMENT​14
APPEASEMENT​17
AUDIOLOGIST​13
ACCOMPANIST​19
ANESTHETIST​14
ABOLISHMENT​18
APPURTENANT​15
ABORTIONIST​13
AUTOCORRECT​15
ABRIDGEMENT​17
ACQUIREMENT​24
10 letter words (99 words)
ASSESSMENT​12
ATTACHMENT​17
ASSIGNMENT​13
ADJUSTMENT​20
ADOLESCENT​13
ACCOUNTANT​14
ATTAINMENT​12
ASSORTMENT​12
ANTAGONIST​11
ANTICHRIST​15
ADVISEMENT​16
ANTECEDENT​13
AMBIVALENT​17
ARISTOCRAT​12
ABONNEMENT​14
ASTRINGENT​11
ATTRACTANT​12
AIRFREIGHT​17
ABSOLUTIST​12
ATTUNEMENT​12
9 letter words (119 words)
AGREEMENT​12
ASSISTANT​9
APARTMENT​13
AMENDMENT​14
APPLICANT​15
ARCHITECT​16
ALIGNMENT​12
APPELLANT​13
AMUSEMENT​13
ATTENDANT​10
ANTITRUST​9
AFFIDAVIT​19
ABATEMENT​13
ASTRONAUT​9
ALCHEMIST​16
ALLOTMENT​11
ARCHIVIST​17
ANARCHIST​14
ASCENDANT​12
ABSORBENT​13
8 letter words (126 words)
ABSTRACT​12
ARGUMENT​11
AIRCRAFT​13
ACCIDENT​13
ADJACENT​18
APPARENT​12
ALPHABET​15
ACTIVIST​13
ABUNDANT​11
AMETHYST​16
ARTIFACT​13
ARROGANT​9
AFFLUENT​14
ADJUVANT​19
ARMAMENT​12
AIRTIGHT​12
AQUEDUCT​20
ABERRANT​10
ARTEFACT​13
ACQUAINT​19
7 letter words (117 words)
ACCOUNT​11
AGAINST​8
AIRPORT​9
ATTEMPT​11
ANCIENT​9
ANALYST​10
ACROBAT​11
ASSAULT​7
AMONGST​10
ATTRACT​9
AMBIENT​11
APPOINT​11
ALRIGHT​11
ASPHALT​12
ADJUNCT​17
ATHEIST​10
APRICOT​11
AUGMENT​10
AGONIST​8
ABREAST​9
6 letter words (94 words)
AUGUST​7
AMOUNT​8
ARTIST​6
ALMOST​8
ACCEPT​12
ASSIST​6
AFFECT​14
ASPECT​10
ALBERT​8
ADJUST​14
ABSENT​8
ARREST​6
ACCENT​10
ADVERT​10
ADVENT​10
APPLET​10
ASSERT​6
ADDICT​10
ALBEIT​8
ASCENT​8
5 letter words (59 words)
ABOUT​7
ADULT​6
AGENT​6
ALERT​5
AUDIT​6
ASSET​5
APART​7
ADOPT​8
ADMIT​8
ADAPT​8
AVANT​8
AWAIT​8
ADEPT​8
ABORT​7
ANGST​6
ABBOT​9
ASCOT​7
AVERT​8
ALOFT​8
AVAST​8
4 letter words (7 words)
AUNT​4
ABET​6
ABUT​6
ADIT​5
ALIT​4
AIRT​4
ARET​4
3 letter words (8 words)
ART​3
ACT​5
ALT​3
ANT​3
APT​5
ATT​3
AFT​6
AIT​3
2 letter words
AT​2