Basic Guidelines For English Spellings
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1(forming adjectives from nouns and adjectives) full of; having the quality of.
2(forming adjectives from verbs) inclined to; apt to.
Old English -ig, of Germanic origin.
1Forming diminutive nouns, pet names, etc.
Middle English originally Scots.
1Forming nouns denoting a state, condition, or quality.
2Forming nouns denoting an action or its result.
From French -ie, from Latin -ia, -ium, or Greek -eia, -ia.