Words formed from any letters in pertinaciousness plus optional blank

a -

pancreatins₁₉

parasitises₁₄

parasitoses₁₄

parasitosis₁₄

peasantries₁₅

b -

obscenities₁₈

obscureness₁₉

obscurities₁₈

obstinacies₁₈

c -

insouciance₂₀

nonascetics₁₉

precocities₂₀

d -

inspissated₁₆

interspaced₁₉

nondescript₂₀

pantdresses₁₆

pasteurised₁₆

pedestrians₁₆

pedicurists₁₉

pointedness₁₇

predacities₁₈

predication₁₉

predictions₁₉

e -

ineptnesses₁₆

inertnesses₁₃

iratenesses₁₂

necessaries₁₅

necessities₁₅

penetrances₁₉

persistence₁₈

pertinences₁₉

preciseness₁₈

f -

infarctions₁₉

infractions₁₉

infusorians₁₇

interfusion₁₇

perfections₂₁

personifies₁₈

pestiferous₁₈

g -

ingressions₁₅

insurgences₁₉

interposing₁₈

isoantigens₁₅

nitrogenase₁₅

organicists₁₇

ostracising₁₇

outcapering₂₁

outpreening₁₉

outpressing₁₈

patronising₁₈

persecuting₂₁

personating₁₈

poignancies₂₁

h -

inheritance₁₈

interchains₁₈

internships₁₈

interphases₁₇

itchinesses₁₇

neuropathic₂₁

outpreaches₂₀

parenthesis₁₇

pasticheurs₂₀

paunchiness₂₂

pentarchies₂₀

phenacetins₂₁

phonetician₂₁

phoninesses₁₈

pincushions₂₂

pithinesses₁₇

preachiness₂₀

i -

inscription₁₉

inspiration₁₆

j -

jointresses₂₁

juicinesses₂₅

k -

nonspeakers₂₀

l -

inessential₁₄

inosculates₁₇

insertional₁₄

insulations₁₅

intercensal₁₇

intercouple₂₀

internalise₁₄

intolerance₁₇

isoleucines₁₇

linecasters₁₆

listerioses₁₂

neorealists₁₃

neuroleptic₂₀

neutralises₁₄

neutralness₁₅

nonplastics₂₀

nucleations₁₈

peculations₂₀

pensionless₁₇

peristalses₁₅

peristalsis₁₅

personalise₁₆

personalist₁₆

petulancies₂₀

plainnesses₁₇

plasticenes₁₉

plasticines₁₉

plesiosaurs₁₆

pratincoles₁₉

preclusions₂₀

m -

innumerates₁₇

inseminates₁₆

inseminator₁₆

intercampus₂₂

manicurists₁₉

manneristic₁₉

manuscripts₂₂

mensuration₁₇

minestrones₁₆

minicourses₁₉

miscaptions₂₁

misconstrue₁₉

miscreation₁₈

moisturises₁₅

monasteries₁₅

monstrances₁₉

mountaineer₁₇

neuroticism₁₉

nitrosamine₁₆

numerations₁₇

omnipresent₁₉

parsimonies₁₈

patrimonies₁₈

pentamerous₁₉

peritoneums₁₉

permeations₁₈

permissions₁₈

pneumonitis₂₀

n -

internuncio₁₈

interunions₁₅

nonaspirins₁₇

perennation₁₇

preannounce₂₁

o -

nonoperatic₁₉

onerousness₁₄

personation₁₆

p -

nippinesses₁₉

perceptions₂₁

percipients₂₁

peripatuses₁₈

precipitous₂₁

q -

perquisites₂₄

picaresques₂₇

piquantness₂₆

preconquest₂₈

r -

inerrancies₁₆

inspirators₁₅

intercessor₁₅

intercourse₁₆

interposers₁₅

natriureses₁₃

natriuresis₁₃

neuropteran₁₇

persecutors₁₈

s -

inspissates₁₅

narcissists₁₅

narcissuses₁₆

nastinesses₁₃

noisinesses₁₃

pastinesses₁₅

pertussises₁₅

piousnesses₁₆

t -

instruction₁₇

interaction₁₆

interpoints₁₆

interstices₁₅

intestacies₁₅

introspects₁₈

nattinesses₁₃

nonartistic₁₆

nuttinesses₁₄

parotitises₁₄

paternities₁₅

pectination₁₉

penetration₁₆

petitioners₁₅

poinsettias₁₅

posterities₁₄

u -

nunciatures₁₈

v -

inoperative₁₉

insectivore₁₉

intravenous₁₈

inventories₁₇

nervosities₁₆

nervousness₁₈

neuroactive₂₀

noncreative₂₀

nonreactive₂₀

personative₁₉

w -

newscasters₁₈

newspersons₁₉

x -

inexactness₂₃

y -

persistency₂₀

z -

pasteurizes₂₄

pentazocine₂₈