is a specific kind of: union.

is a broader term that covers: recombination | recombination | consolidation | mix, mixture | conglobation, conglomeration.

derivation: combine, compound | blend, coalesce, combine, commingle, conflate, flux, fuse, immix, meld, merge, mix | aggregate, combine | combine, compound | combine | combine, unite.

is a specific kind of: change of integrity.

is a broader term that covers: affixation, attachment | confusion | admixture, commixture, intermixture, mix, mixing, mixture | fusion | blend, blending | interspersal, interspersion | temperance | conjugation, jointure, unification, union, uniting | consolidation, integration.

derivation: combine, compound | blend, coalesce, combine, commingle, conflate, flux, fuse, immix, meld, merge, mix | combine, compound | compound | combine | combinative, combinatorial, combinatory.