The plural word for family is families.
The word 'beneficial' is an adjective, a word that describes a noun. Example use:This is a beneficial program for our department.
There is not any word families.
The word beneficial is an adjective, a word that describes a noun; for example, a beneficial legacy. The noun form for the adjective beneficial is beneficialness; a verb form is to benefit.
The word "beneficial" is an adjective. It is used to describe something that is advantageous or helpful.
The possessive form of the word "families" is "families'".
The syrup proved beneficial for her cough.
This example sentence should prove to be beneficial.
Beneficial
The note cards were beneficial for the upcoming test Thursday.
There is no formal word family for the noun 'television'. Word families most commonly have fewer syllables.Some words that might be considered informal word families for 'tele-' are:telecasttelecommunicationteleconferencetelegramtelegraphtelekinesistelekinetictelemarketertelemetrytelepathictelephonetelephototeleplayteleporttelescopetelethonteletypetelevangelisttelevisetelexSome words that might be considered informal word families for '-vision' are:divisionenvisionprovisionrevisionsubdivisionsupervision
I can give you several sentences.Fruits and vegetables are beneficial for your body.Sunshine is beneficial to good health.The beneficial properties of vitamins were discovered long ago.