Even when two different moods exist in the same language, their respective usages may blur, or may be defined by syntactic rather than semantic criteria.
en.wikipedia.org Second, the products must be fungible (i.e. interchangeablethey must be of the same composition).
en.wikipedia.org Speleology and caving are often connected, as the physical skills required for "in situ" study are the same.
en.wikipedia.org All the menus had the same food offerings, including burgers, chicken sandwiches, chicken tenders, salad, fries, desserts, soda and water.
healthland.time.com So, even when they're both making exactly the same tone, there's still something completely different going on under the hood.
en.wikipedia.org