1 Reverse dictionary. Enter meanings to find the corresponding suffixes (e.g., searching with the word arm will locate the suffixes -humeral and -brachial).  Finding meanings. Enter a in the box and click the Search button.
Re: calorie vs. a food calorie. A food calorie is 1,000 chemistry calories. That did sound a little like a homework question.
The calorie used in chemistry and biochemistry is equal to 4.184 joules. Symbol cal. In referring to the energy content of foods it is customary to use the 'large calorie', which is equal to 1 kilocalorie (kcal), 1000 cal.