5 letters:
conac, conic, hanak, ionic, ioniq, konak, konik, monic, nonic, onych, sonic, tonic, vanik, yonic

6 letters:
adonic, atonic, azonic, bionic, clonic, cronic, dhanak, ebonic, exonic, iconic, ironic, koneke, kronik, onych-, ovonic, oxonic, ozonic, phonic, pionic, tronic, zoonic

7 letters:
-phonic, ammonic, anionic, arconic, avionic, biconic, blahnik, boronic, bosonic, bubonic, byronic, canonic, chronic, chronik, connick, cronach, demonic, entonic, eugonic, eutonic, hedonic, ketonic, kronick, laconic, lasonic, m4sonic, malonic, masonic, meconic, mesonic, metonic, moronic, muconic, myronic, nemonic, nimonic, obconic, opsonic, paeonic, pixonic, psionic, saronic, taanach, taconic, thionic, tiyanak, totonac, umbonic, xeronic

8 letters:
acetonic, achronic, amnionic, anemonic, aniconic, baryonic, carbanak, carbonic, cationic, chthonic, cratonic, croconic, crotonic, cyclonic, daimonic, diasonic, diatonic, draconic, dysgonic, dystonic, epigonic, epitonic, ethionic, euphonic, exosonic, fibronic, geogonic, geoponic, gluconic, glyconic, gnomonic, hadronic, harmonic, hydronic, illfonic, intronic, isogonic, isotonic, itaconic, jetronic, kopaonik, lactonic, lapponic, leptonic, leuconic, maltonic, miltonic, mnemonic, motronic, myelonic, myotonic, nektonic, nepionic, neumonic, neuronic, nirvanic, nonionic, paiwanic, peptonic, personic, photonic, phytonic, platonic, plutonic, pretonic, protonic, pulmonic, santonic, sardonic, sasanach, siphonic, stronach, subsonic, subtonic, sulfonic, swanneck, syntonic, talionic, tectonic, teutonic, tithonic, tritonic, tychonic, typhonic, unironic, uvitonic, vibronic

9 letters:
5g-tronic, aeroponic, aleuronic, algedonic, anhedonic, antimonic, antitonic, auxotonic, benthonic, biotronik, boytronic, brittonic, brythonic, catatonic, chorionic, chronique, cinchonic, cistronic, dextronic, diaphonic, dithionic, duophonic, dysphonic, eletronic, embryonic, environic, eudemonic, exergonic, fermionic, gallionic, gnathonic, hegemonic, histionic, hypotonic, john hick, katatonic, macaronic, medtronic, mesaconic, methionic, mneumonic, monaxonic, monotonic, myoclonic, neustonic, nucleonic, panasonic, paraconic, paratonic, pharaonic, photronic, plasmonic, pneumonic, polyconic, posttonic, propionic, psaphonic, pyrrhonic, sclavonic, scorponok, semisonic, semitonic, stratonic, sulphonic, swan-neck, symphonic, tachyonic, tartronic, teraconic, theogonic, tiptronic, transonic, tranzonic, vagotonic, vasotonic, vibrionic, viewsonic

10 letters:
acrophonic, allophonic, amphigonic, anachronic, angiotonic, anharmonic, anisotonic, antiphonic, cacophonic, calcedonic, cataphonic, chelidonic, chiromonic, citraconic, cosmogonic, diachronic, dicarbonic, electronic, endergonic, enharmonic, eudaemonic, euharmonic, flextronic, ganglionic, geartronic, glutaconic, haematonic, histrionic, homophonic, housatonic, hyaluronic, hydroponic, hypersonic, hypertonic, infrasonic, inharmonic, interionic, intertonic, isethionic, isochronic, lasersonic, lexiphonic, mastodonic, mediatonic, megaphonic, melophonic, monophonic, napoleonic, neurotonic, normotonic, noropianic, olympionic, pentatonic, phosphonic, phototonic, planktonic, plantronic, pleustonic, polyphonic, positronic, respironic, rhodizonic, saxophonic, silk sonic, spintronic, sporogonic, supersonic, supertonic, synchronic, telephonic, thermionic, transsonic, trithionic, ultrasonic, uterotonic, varitronic, xylophonic

11 letters:
abembryonic, aganglionic, allochronic, animatronic, aniseikonic, antibubonic, arachidonic, audiotronic, cacodemonic, cardiotonic, catatonique, chalcedonic, chameleonic, disharmonic, egodystonic, egosyntonic, geotectonic, glottogonic, heterogonic, isokeraunic, mechatronic, microphonic, monochronic, multitronic, nekrotronic, neoplatonic, nonharmonic, oenothionic, panteutonic, photophonic, proto-ionic, quadrasonic, quadrisonic, radiophonic, saccharonic, schizogonic, spheroconic, stentoronic, stetsasonic, subharmonic, telectronic, telharmonic, valvetronic

12 letters:
actinophonic, adelocodonic, amphictyonic, anti-masonic, antimnemonic, autochthonic, cacodaemonic, cerebrotonic, dodecaphonic, ego-dystonic, ego-syntonic, electrotonic, hooverphonic, metantimonic, monocarbonic, neo-platonic, nonmonotonic, opisthotonic, pentathionic, peristeronic, philharmonic, podstakannik, psychotronic, quadraphonic, quadriphonic, quadrophonic, stereophonic, technetronic, technotronic, tetrathionic, tonic-clonic, viscerotonic, zwitterionic

13 letters:
architectonic, bioelectronic, gin and tonic, hydrocarbonic, hyperisotonic, isoelectronic, monochorionic, monocistronic, orthocarbonic, pathognomonic, polycistronic, polyembryonic, pre-embryonic, preganglionic, proto-japonic, pyroantimonic, zooplanktonic

14 letters:
balto-slavonic, extraembryonic, first harmonic, intraembryonic, optoelectronic, periganglionic, phanerocodonic, plate-tectonic, postganglionic, stentorophonic, sulphantimonic, sulphocarbonic, vasohypertonic

15 letters:
boustrophedonic, catelectrotonic, interganglionic, microelectronic, photoelectronic, physiognommonic, phytoplanktonic, radiotelephonic, thanatognomonic

17 letters:
audio-animatronic, cytoarchitectonic

26 letters:
an evening with silk sonic

5 letters:
comic

6 letters:
anomic, atomic

7 letters:
islamic

8 letters:
anatomic, achromic, economic, bionomic, exogamic

9 letters:
agronomic, taxonomic, endogamic

10 letters:
seriocomic, tragicomic, uneconomic, astronomic

11 letters:
polychromic, gastronomic, monochromic, cryptogamic

13 letters:
neuroanatomic