Etymology
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rescission (n.)

1610s, "action of cutting off" (a sense now obsolete); 1650s, "action of annulling," from Late Latin rescissionem (nominative rescisio) "annulment, a making void," noun of action from past-participle stem of rescindere "to cut off; abolish" (see rescind).

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aspiration (n.2)
late 14c., "action of aspirating, a spirant letter or sound," noun of action from aspirate (v.).
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avoidance (n.)
late 14c., "action of emptying," from avoid + -ance. Sense of "action of dodging or shunning" is recorded from early 15c.; it also meant "action of making legally invalid," 1620s; "becoming vacant" (of an office, etc.), mid-15c.
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impletion (n.)
"action of filling," 1580s, from Late Latin impletionem, noun of action from stem of implere "to fill, fill up" (see implement (n.)).
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expression (n.)

early 15c., expressioun, "action of pressing out;" later "action of manifesting a feeling;" "a putting into words" (mid-15c.); from Late Latin expressionem (nominative expressio) "expression, vividness," in classical Latin "a pressing out, a projection," noun of action from past-participle stem of exprimere "represent, describe," literally "press out" (see express (v.)). Meaning "an action or creation that expresses feelings" is from 1620s. Of the face, from 1774. Occasionally the word also was used literally, for "the action of squeezing out." Related: Expressional.

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disarmament (n.)

"action of disarming," by 1795; see noun of action from disarm. Especially in reference to reduction of military and naval forces from a war to a peace footing.

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ingestion (n.)
"action of ingesting," 1610s, from Late Latin ingestionem (nominative ingestio) "a pouring in," noun of action from past participle stem of ingerere "pour in" (see ingest).
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routinization (n.)

"a being or becoming routine; action of imposing a routine upon," 1916, noun of action from routinize "subject to a routine, make into a routine" (1893), from routine + -ize.

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quantitation (n.)

"action of ascertaining the quantity of," 1952, from quantity + -ation, ending used in forming nouns of action. Related: Quantitate (v.), 1960.

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