person in charge of staff or organization.

sadness or displeasure caused by non-fulfilment of one's hopes or expectations. Feeling or state of not being satisfied.

tip of wing of aircraft or of bird.

action of collecting. Acts of asking for money for a debt or a charity.

building in which objects of historical, scientific, artistic, or cultural interest are stored and exhibited. Buildings to display art/science/history objects.

circumstance making progress difficult. Races in which the fastest horses carry weights. To make it difficult for someone to make progress.

To hold a thought in your mind to not forget it.

Muslim place of worship. Muslim temples or places of worship.

season after winter and before summer, in which vegetation begins to appear, in northern hemisphere from March to May. The times when plants start growing after winter. To jump into the air.

famous or important in history, or potentially.

each of four divisions of year. Spring, Summer, Autumn (Fall) and Winter. To add pepper and salt to something.

fashionable. event or occurrence. To take place or occur.

To group people or things closely together.

Zoologist who studies insects.

A law limiting the growth or spread of something. To direct or influence the behavior of something.