Fewer vs Less - If the noun being measured is countable, like bowls of rice or chocolate bars, use fewer. If the noun cannot be counted, like rice or chocolate, use less.
Idea vs Concept - An idea is a rough mental impression. It could be a thought, suggestion, opinion, belief or intention. Concept stands for an understanding drawn from a particular fact or logic. A concept could also be an established…
Elder vs Older - Elder is an adjective that can be used only when you are talking about people. Older is an adjective, as well. But, unlike elder, it can be used for people as well as for animals and things.
Adapt vs Adopt - Adapt is used either when a change is made to make something more suitable for a particular use or when adjusting to a new place. Adopt is used when something is taken over, chosen, accepted or approved by choice.
Amount vs Number - Amount, when used as a noun, describes a quantity of uncountable nouns, such as air, water, or time. When used as a noun, number signifies a quantity of countable nouns, such as trees, cities, or papers.
Raise vs Rise - Raise is a transitive verb that means ‘to move something upwards or lift something to a higher level. Rise is an intransitive verb that means ‘something moves upwards or elevates itself’.