If by 'invisible' you mean abstract nouns, words for things that can't be seen, heard, smelled, tasted, or touched, some examples are:
Some examples of common abstract nouns:
Some common nouns that start with 'i' are:ibexibisiceiconideaidentityidolimaginationimpinchinformationinkinninsightinspirationinventioninundationionirisironironyislandisolationissueisthmusitem
Common nouns are the words for general things. Examples include house, god, and man.
Some examples of 'quality of mind' nouns, also called abstract nouns, are:anxietybraveryconfidencedecisivenesseuphemismfungenerosityhappinessisolationjoyknowledgeluxurymemorynewsopinionpurposequestionreasonsorrowtroubleurgevaluewealthyearzeal
No, not all abstract nouns are uncountable. Some examples of countable abstract nouns are:an agreement; a number of agreementsan idea; a lot of ideasa lie; too many liesmy life; the lives of othersan opinion; a lot of opinionsa question; a few questionsThe most common abstract nouns that are uncountable are nouns for concepts and gerunds (verbal nouns). Some examples are:educationinformationknowledgeplayingrunningskating
Yes salt is a common noun. A common noun is a person place or thing that are most common said words. For example. refinery, boredom, microchips (Those are not common nouns because they are not used commonly. These words are concrete nouns) Here are some examples for common nouns. (water, television, dog) These words are usually said so they are common nouns.
Examples of common abstract nouns:abilityboredomcharitydangeregofeargratitudehourintelligencejusticeknowledgelibertymoodneedopinionproblemquestionreasonseasontreasonurgevirtueworkyesterdayzeal
Some common nouns that start with 'i' are:ibexibisiceiconideaidentityidolimaginationimpinchinformationinkinninsightinspirationinventioninundationionirisironironyislandisolationissueisthmusitem
Common nouns are the words for general things. Examples include house, god, and man.
Examples of gender nouns for males:fathersonunclebrothermankingmanboarbuckbullramroosterExamples of gender nouns for females:motherdaughterauntsisterwomanqueensowdoecowewehenExamples of common gender nouns:parentchildrelativesiblingpersonneighborfriendbirddeersheephorsecatExamples of neuter gender nouns:anchorballchairdooreducationfacegearharpicejokekitelunch
A common noun is a general word for any person, place, or thing. Some examples of common nouns are:angeranimalapplebabyballbookcarchaircoatcountry
Common nouns are words for any person, place, or thing. Some examples are:airplaneboycabbagedooreducationflowergrocerhornetindependencejunglekneelovemothernoodleoceanponyquestionreasonsummertableumbrellavanillaweddingxylophoneyellowzebra
Some examples of holiday nouns are:barbecuecelebrationchampagneconfettidecorationseggnogflagsgiftsnoise makerspartyroast turkeystreamerssongs
Examples of common people nouns starting with L are:ladylandlordlawyerleaderlesseeliarlibrarianlieutenantExamples of proper people nouns starting with L are:LanceLaneLeonLeonardLeroyLewisLionelLuke
Some examples of 'quality of mind' nouns, also called abstract nouns, are:anxietybraveryconfidencedecisivenesseuphemismfungenerosityhappinessisolationjoyknowledgeluxurymemorynewsopinionpurposequestionreasonsorrowtroubleurgevaluewealthyearzeal
Examples of nouns for things are:appleballooncardiamondeducationflowergardenhydrogenicejokekitchenlunchmoneynecktieonionpromisequiltreasonstartoothumbrellaviolinwaterx-rayyearzenith
No, not all abstract nouns are uncountable. Some examples of countable abstract nouns are:an agreement; a number of agreementsan idea; a lot of ideasa lie; too many liesmy life; the lives of othersan opinion; a lot of opinionsa question; a few questionsThe most common abstract nouns that are uncountable are nouns for concepts and gerunds (verbal nouns). Some examples are:educationinformationknowledgeplayingrunningskating
The number for nouns is singular or plural. Some examples of singular and plural forms:orange, orangesneighbor, neighborstooth, teethknife, knivesman, menThe gender for nouns is the word for a male, a female, a person or thing of either gender (a common gender noun), or a thing that has no gender (a neuter noun). Some examples for nouns indicating gender:man, womanmother, fatheruncle, auntgirl, boyhusband, wifeboar, sowSome examples for nouns with common gender:teacherchildparentfriendworkerhorseSome examples for neuter gender nouns:housestreetlunchquestioneducationcountry