combustion
/k ə m ˈb ŭ s ch ə n/
com-bŭs-tion
SCHWA_RULE
Any vowel in an unstressed syllable may reduce to schwa (/ə/).
Word Forms
Base Form
combustion
Plural
combustions
Words ending in -tion
Institutionalization Fragmentation Insubordination Transportation Disputation Self-organization
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