Table 6.

Expansion method comparison.

Input word	Retrieve Webpages for expanded words (Thesaurus Webpage)	Python automatically obtains expanded words (WordNet database)
Shell	Carapace, frame, integument, pod, skeleton, case, chassis, crust, frame, hull, husk, nut, pericarp, plastorn, scale, shard, shuck, skin	Carapace, palte, ammunition, shotgun-shell, shrapnel
Reduction	Contraction, rebate, debasement, cut, cutback, devaluation, discount, abatement, attrition, cortailment, minimization, diminution, degradation, decrement, shrinkage, subjection, subtraction, subdual, markdown	Decrease, change-of-magnitude, amortization, contraction, depreciation, lowering, shortening, shrinking, weakening, subtraction, depletion, easing, discount, cutback, conquest, declassification, rollback, reverse, de-escalation, deflation, extenuation, discount
Fiber	Grain, thread, tissue, cilia, cord, fibril, filament, grit, hair, shred, staple, string, strip, tendril, tooth, vein, warp, web, woof, footlet	Material, roughage, character, Bassine, bristle, coir, string, raveling, oakum