2 syllables:
-faction, action, faction, fraction, paction, rakshan, taction, traction

3 syllables:
abaction, abstraction, abstraktion, attraction, attraktion, bolt-action, break-action, class-action, classaction, coaction, compaction, contaction, contraction, detraction, diffraction, distraction, dymaxion, effraction, enaction, exaction, extraction, group action, impaction, inaction, infraction, live-action, nonaction, olfaction, preaction, proaction, protraction, pump-action, pump action, redaction, refaction, refraction, retraction, self-action, slide-action, slide action, soustraction, subaction, substraction, subtraction, telaction, tepefaction, transaction

4 syllables:
abreaction, arefaction, assuefaction, benefaction, calefaction, chylifaction, cinefaction, common fraction, complex fraction, compound fraction, contrafaction, counteraction, cross-reaction, delayed-action, delayed action, direct-action, direct action, double-action, excalfaction, frigefaction, half-reaction, human action, interaction, in full action, labefaction, legal action, lever-action, liquefaction, liquifaction, lubrifaction, malefaction, man of action, out of action, overaction, patefaction, petrifaction, pinguefaction, plan of action, police action, proper fraction, pulpifaction, putrefaction, rarefaction, rarefraction, reenaction, retroaction, rubefaction, sakanaction, satisfaction, scene of action, simple fraction, single-action, social action, spargefaction, stupefaction, tabefaction, torrefaction, tumefaction, underaction, underfaction, vitrifaction

5 syllables:
abfraction, chemical action, colliquefaction, coming attraction, congelifraction, continued fraction, counter-attraction, counterattraction, cryoextraction, decimal fraction, dissatisfaction, evasive action, improper fraction, insatisfaction, law of mass action, microtransaction, naked attraction, natural action, obstupefaction, overreaction, photoreaction, piano action, possible action, pseudoreaction, self-satisfaction, semi-abstraction, semiabstraction, strong interaction, unsatisfaction, weak interaction, x-ray diffraction

6 syllables:
affirmative action, behind the attraction, capillary action, chemical attraction, electroextraction, immunoreaction, impossible action, index of refraction, intelligenzaktion, magnetic attraction, military action, party to the action, physical attraction, uterine contraction

7 syllables:
accord and satisfaction, carrying into action, party to the transaction

8 syllables:
fundamental interaction, gravitational attraction, parasocial interaction

9 syllables:
gravitational interaction

10 syllables:
electromagnetic interaction

2 syllables:
jackson, flaxen, saxon, taxon, klaxon, caption, waxen, axone, claxon, sachsen

3 syllables:
west saxon, shahaptian, contraption, old saxon, aflaxen, robaxin

4 syllables:
andrew jackson, anglo-saxon, ceftriaxone