Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class I. Words Expressing Abstract Relations
Section III. Quantity
3. Conjunctive Quantity

44. Disjunction.

   NOUN:DISJUNCTION, disconnection, disunity, disunion, disassociation, disengagement, dissociation, disjointure; discontinuity [See Discontinuity]; abjunction [obs.]; cataclasm; inconnection [obs.]; abstraction, abstractedness; isolation; insularity, insulation; oasis; island; separateness &c. adj.; severalty; disjecta membra [L.]; dispersion [See Nonassemblage. Dispersion], apportionment [See Apportionment].
  SEPARATION; parting &c. v.; circumcision, detachment, segregation; divorce, sejunction [obs.], seposition [obs.], diduction [rare], diremption [rare], discerption; elision; cæsura, division, subdivision, break, fracture, rupture; compartition [obs.]; dismemberment, disintegration, dislocation; luxation; severance, disseverance; scission; rescission, abscission; laceration, dilaceration; disruption, abruption; avulsion, divulsion; section, resection, cleavage; fission; partibility, separability, separatism.
  FISSURE, breach, rent, split, rift, crack, slit, incision.
  DISSECTION, anatomy; decomposition [See Decomposition]; cutting instrument (sharpness) [See Sharpness]; buzz saw, circular saw.
   VERB:BE DISJOINED &c.; come off, come to pieces, fall off, fall to pieces; peel off; get loose.
  DISJOIN, disconnect, disengage, disunite, dissociate, dispair [obs.]; divorce, part, dispart, detach, separate, cut off, resoind, segregate; set apart, keep apart; insulate, isolate; throw out of gear; cut adrift; loose; unloose, undo, unbind, unchain, unlock (fix) [See Junction], unpack, unravel; disentangle; set free (liberate) [See Liberation].
  SUNDER, divide, subdivide, sever, section, sectionize [rare], segment, dissever, abscind; circumcise; cut; incide [obs.], incise; saw, snip, nib [obs.], nip, cleave, rive, rend, slit, split, splinter, chip, crack, snap, break, tear, burst; rend &c., asunder, rend in twain; wrench, rupture, shatter, shiver, crunch, craunch or cranch, chop; cut up, rip up; hack, hew, slash; whittle; haggle, hackle, discind [obs.], lacerate, scamble [obs.], mangle, gash, hash, slice; cut up, carve, quarter, dissect, anatomize; dislimb; take to pieces, pull to pieces, pick to pieces, tear to pieces; tear to tatters, tear piecemeal; divellicate; skin [See Divestment].
  DISINTEGRATE, dismember, disbranch, disband; disperse [See Nonassemblage. Dispersion]; dislocate, disjoint; break up; mince; comminute (pulverize) [See Pulverulence]; apportion [See Apportionment].
  PARTITION, parcel, demarcate [rare], graduate, district, chapter, canton.
  PART, part company; separate, leave; alienate, estrange.
   ADJECTIVE:DISJOINED &c. v.; discontinuous [See Discontinuity]; bipartite, biparted [rare], multipartite, abstract; disjunctive; secant; isolated &c. v.; insular, separate, disparate, discrete, apart, asunder, far between, loose, free; lobate, lobulate, lobulated, lobulose, digitate; unattached, unannexed, unassociated, unconnected; distinct; adrift; straggling; rift [obs.], reft, cleft.
  [CAPABLE OF BEING CUT] scissile, divisible, discerptible [rare], partible, separable, severable, dividuous [rare].
   ADVERB:SEPARATELY &c. adj.; one by one, severally, apart; adrift, asunder, in twain; in the abstract, abstractedly.
   QUOTATION:Separatism … is the abstraction of a negation, the shadow of a shadow.—Amiel