Secateurs, also called pruning shears, are a kind of scissor designed for cutting through the stems of plants. They have a different design to regular scissors to give them the extra strength needed to cut through wood.
A second is a unit of time. There are 60 seconds in a minute.
Second is also the number two place in a competition.
A secret is something nobody else knows but you. Sometimes you share your secrets with your best friends. If someone tells you a secret, you shouldn't tell anyone else.
A seer is a person who can see the future, or who has profound insight or knowledge.
A similar word to seer is prophet.