And two oddballs: struthious: ostrich-like formic: ant-like.    From Wordnik.com.  [Breakfast in Bed] Reference

For dyeing sisal it is recommended that only acetic and formic acids are used.    From Wordnik.com.  [Chapter 7] Reference

The distillate "B" may contain formic, acetic, propionic, butyric and benzoic acids.    From Wordnik.com.  [The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged.] Reference

Sources of common chemicals such as salt, soda and acetic and formic acids are not included.    From Wordnik.com.  [Chapter 11] Reference

On distillation with condensing acids a large proportion of volatile monobasic acids (chiefly formic) are obtained.    From Wordnik.com.  [Researches on Cellulose 1895-1900] Reference

It must be pronounced bad if it becomes black or dark brown within that time (acrolein, formic, and butyric acids).    From Wordnik.com.  [Nitro-Explosives: A Practical Treatise] Reference

The acids of perspiration (acetic, formic, and butyric) often become so concentrated that they act on the fiber of the fabric.    From Wordnik.com.  [Textiles For Commercial, Industrial, and Domestic Arts Schools; Also Adapted to Those Engaged in Wholesale and Retail Dry Goods, Wool, Cotton, and Dressmaker's Trades] Reference