The difference between Dear and Sister

When used as nouns, dear means a very kind, loving person, whereas sister means a daughter of the same parents as another person.

When used as verbs, dear means to endear, whereas sister means to strengthen (a supporting beam) by fastening a second beam alongside it.

Dear is also interjection with the meaning: indicating surprise, pity, or disapproval.

Dear is also adverb with the meaning: dearly.

Dear is also adjective with the meaning: high in price.

check bellow for the other definitions of Dear and Sister

Dear as an adjective (generally, _, dated):

High in price; expensive.

Examples:

"The dearer the jewel, the greater the love expressed."
Dear as an adjective:

Loved; lovable.
Dear as an adjective:

Loving, affectionate, heartfelt

Examples:

"Such dear embrace tenderly comforts even in this dear sorrow."
Dear as an adjective:

Precious to or greatly valued by someone.

Examples:

"The dearer the giver, the dearer the trinket he brings!"
Dear as an adjective:

Examples:

"'Dear Sir/Madam/Miss, please notice our offices will be closed during the following bank holidays:nb...."
Dear as an adjective:

Examples:

"My dear friend, I feel better as soon as you come sit beside my sickbed!"
Dear as an adjective:

Examples:

"My dear boy, if your grades don't pick up I won't bounce you on but over my knee!"
Dear as an adjective (obsolete):

Noble.

Dear as a noun:

A very kind, loving person.

Examples:

"My cousin is such a dear, always drawing me pictures."
Dear as a noun:

A beloved person.
Dear as a noun:

An affectionate, familiar term of address, such as used between husband and wife.

Examples:

"Pass me the salt, would you dear?"

Dear as an adjective:

Severe, or severely affected; sore.
Dear as an adjective (obsolete):

Fierce.

Examples:

"The Christens found the heathens dear, as the lion doth the bear."

Sister as a noun:

A daughter of the same parents as another person; a female sibling.

Examples:

"My sister is always driving me crazy."
Sister as a noun (informally):

A female member of a religious order; especially one devoted to more active service; a nun.

Examples:

"Michelle left behind her bank job and became a sister at the local convent."
Sister as a noun:

Any butterfly in the genus , so named for the resemblance of the dark-colored wings to the black habit traditionally worn by nuns.
Sister as a noun (British):

A senior or supervisory nurse, often in a hospital.
Sister as a noun:

Any woman or girl with whom a bond is felt through common membership of a race, profession, religion or organization, such as feminism.

Examples:

"Connie was very close to her friend Judy and considered her to be her sister."
Sister as a noun (slang):

A black woman.
Sister as a noun (informal):
Sister as a noun:

A woman, in certain labour or socialist circles; also as a form of address.
Sister as a noun (attributively):

An entity that has a special or affectionate, non-hierarchical relationship with another.

Examples:

"sister publication, sister city, sister projects"
Sister as a noun (comptheory):

A node in a data structure that shares its parent with another node.
Sister as a noun (usually, attributively):

Something in the same class.

Examples:

"sister ships'', ''sister facility"

Sister as a verb (transitive, construction):

To strengthen (a supporting beam) by fastening a second beam alongside it.

Examples:

"I’m trying to correct my sagging floor by sistering the joists."
Sister as a verb (obsolete, transitive):

To be sister to; to resemble closely.