1. habit
Reading is the kind of habit that once acquired is never lost.
Tom had the annoying habit of hardly ever answering email messages.
Habit is second nature.
Imogen of the Internet has a habit of paying fifty dollars for clothes that are manufactured to look like five-dollar hand-me-downs.
People in this country make it a habit to bow when they meet.
Try as you may, you will find it impossible to give up that habit.
The long habit of living indisposeth us for dying.
Once a habit has been acquired, it has almost compulsive power over us.
Whether it rains or shines, it is my habit to take a walk around the Palais-Royal at five o'clock.
She has a boyfriend she's been going out with since high school but feels their relationship has become a matter of habit and is increasingly dissatisfied.
A spot of shut-eye is also called a cat nap because a cat is in the habit of sleeping only a few minutes at a time.
Habit converts luxurious enjoyments into dull and daily necessities.
Habit rules the unreflecting herd.
What is most necessary for young men today is to develop the habit of thinking for themselves.
2. custom
The less there is to justify a traditional custom, the harder it is to get rid of it.
It's a Polish custom
A custom developed in which they would kiss each other.
I like the Japanese custom of offering guests moist towels, called oshibori.
I'm not a Muslim and so I have no obligation to observe the fast but as long as I'm living in the same apartment having consideration for such a custom is important.
Custom, then, is the great guide of human life.
She follows Islamic custom by covering her hair.
Having a roast dinner on Sunday is a typical British custom in most families.
It's custom in my country to say please and thank you for everything.
In Poland we have many Easter customs
Their marriage ceremony was performed according to the custom of the district.
英語 "という言葉szokás"(custom)集合で発生します。
Celebrating Christmas