Decide-decision, Explode-explosion, intrude-intrusion, divide-division,invade-invasion, conclude-conclusion, allude-allusion, protrude-protrusion,exclude-exclusion :D the rule is It goes to a verb to a noun :)
vision
television
collision
I think the answer you want is "nouns" . tion and sion are suffixes that change a verb into a noun. eg. associate -> association . The trick is to know which ending to use.
Some nouns that end with the suffix -sion are:abrasionconclusionconfusionderissiondiffusiondivisionemissionfissionfusionlesionmansionmissionomissionpassionpermissionremissionsessionvision
sion means the condition or state of being
Ation is not a prefix; it is a suffix. Some words with this suffix are specialization, aggravation, and alternation.
A consonant blend is self-explanitory, it is a series of consanants that are pronounced all together, so 'shr' is a consonant blend, 'sion' is not a consonant blend.
tension
Fusion Fission
I only know one word that starts with de- and endsin -sion is decision.
Some examples are expansion (root word: expand), persuasion (root word: persuade), and confession (root word: confess).
Expand\expandsion
I think the answer you want is "nouns" . tion and sion are suffixes that change a verb into a noun. eg. associate -> association . The trick is to know which ending to use.
Some nouns that end with the suffix -sion are:abrasionconclusionconfusionderissiondiffusiondivisionemissionfissionfusionlesionmansionmissionomissionpassionpermissionremissionsessionvision
Words ending with "ition":AbolitionAcquisitionAdditionAmbitionAmmunitionApparitionAuditionCoalitionCompetitionCompositionConditionContritionDefinitionDemolitionDispositionEditionExhibitionExpeditionExtraditionIgnitionImpositionInhibitionInquisitionIntuitionMalnutritionOppositionPartitionPetitionPositionPrepositionProhibitionPropositionRecognitionRenditionRepetitionRequisitionSuperstitionTraditionTransitionTuitionWords ending with "sion":AbrasionAdmissionAggressionAllusionAscensionCessionCollisionCommissionCompassionCompressionCompulsionConcessionConclusionConcussionConfessionConfusionConversionConvulsionCorrosionDecisionDiffusionDimensionDiscussionDiversionDivisionEnvisionExclusionExcursionExplosionExpressionIllusionImplosionIncisionInvasionMansionObsessionSeclusionSessionTensionVision
Roman Catholic Diocese of Sion ended in 1628.
Sion Mills railway station ended in 1965.
tension and lesion.
sionist, sionism