1. (n.) The act or process of assimilating or bringing to a resemblance, likeness, or identity; also, the state of being so assimilated; as, the assimilation of one sound to another.

2. (n.) The conversion of nutriment into the fluid or solid substance of the body, by the processes of digestion and absorption, whether in plants or animals.

Americanization Anschluss ablation about-face absorbency absorbent absorption accommodation accordance acculturation adaptation addition adjustment admissibility admission adoption adsorbent adsorption affiliation agglomeration aggregation agreement alchemy alikeness alliance allophone alveolar amalgamation analogy apico-alveolar apico-dental aping apperception approach approximation articulation aspiration assimilation association assumption attrition attunement awareness basal metabolism becoming bilabial bile blend blending blotter blotting blotting paper burning up cabal cacuminal cartel catabolism centralization cerebral change change-over check chemisorption chemosorption citizenship by naturalization citizenship papers closeness coalescence coalition coaptation combination combine combo community comparability comparison completeness composition comprehension comprehensiveness comprisal confederacy confederation conformity congeries conglomeration conjugation conjunction consciousness consolidation consonant conspiracy consumption continuant conversion coordination copying correspondence coverage culture shock dental depletion digestion digestive system diphthong dissimilation drain eating up ecumenism eligibility embodiment embracement encompassment endosmosis engrossment enosis envisagement epenthetic vowel erosion exhaustion exhaustiveness exosmosis expending expenditure explosive federalization federation finishing flip-flop fusion gastric juice gastrointestinal tract glide glottal glottalization growth guttural harmonization hookup identification identity imbibing imitation impoverishment inclusion inclusiveness incorporation infiltration ingestion integration intestinal juice junction junta labial labialization labiodental labiovelar lapse laryngeal lateral league likeness likening lingual liquid liver manner of articulation marriage meld melding membership merger metabolism metaphor mimicking mindfulness modification monophthong morphophoneme mute nasal nationalization naturalization naturalized citizenship nearness occlusive openness osmosis package package deal palatal pancreas pancreatic digestion pancreatic juice papers parallelism parasitic vowel parity participation passage peak percolation pharyngeal pharyngealization phone phoneme plosive predigestion progress prothetic vowel re-formation reception reconcilement reconciliation reconversion reduction regulation resemblance resolution retroflex reversal saliva salivary digestion salivary glands sameness secondary digestion seepage segmental phoneme semblance semivowel shift similarity simile similitude simulation soaking-up solidification sonant sonority sorption speech sound spending sponge sponging squandering squaring stop surd switch switch-over syllabic nucleus syllabic peak syllable synchronization