accretion growth or increase in size by gradual addition; growth; increase; increase by natural growth; Ex. towers and other accretions of the castle; V. accrete
accrue come everbuying scam to one as a gain; accumulate over time; come about by addition; Ex. benefits that accrue from scientific research; Ex. interest accruing in a bank account; N. accrualacerbity bitterness of speech and temper; ADJ. acerbic: bitter; acrid (in taste, manner, or tone)s bitter having a sharp biting taste; causing sharp pain to the body or mind; filled with resentment, disappointment, or other unpleasant feelings; Ex. bitter wind/sorrow/tearss biting sharply painful to the body or mind; Ex. biting wind/remarks
acetic　vinegary
acidulous slightly sour (in taste or manner); sharp; caustic