4. Take steps to regulate your period. If your period is irregular and you have seen your doctor to determine that there are no major problems, you can take certain measures to help your period become more regular.
aptitude (plural aptitudes) 1  Natural ability to acquire knowledge or skill. 2  The condition of being suitable.
First let us define the two words. The word aptitude can be defined as natural ability. The word aptitude is used in the sense of âtalent.â On the other hand, the word ability is used in the sense of âskill.â This can also be defined as the power to do something. This is the major difference between the two words.