Some latin words used in english 4 (bigger list) - F to O

Facta Non Verba	Deeds not words
Fide Suorum Regnat	"He reigns by the faith of his people" Inscription on the 1939 Canadian silver dollar, minted to commemorate the 1939 Royal tour.
Fidei Defensor	Defender of the Faith. This is usually abreviated F.D. or Fid. Def. and appears on the obverse of British coins. (see Dei Gratia)
Flagrante Delicto	Literally while the crime is blazing. Caught red-handed, in the very act of a crime.
Floreat Regina	Regina, may it flourish. The motto of the City of Regina, Saskatchewan Canada.
Gloria In Exelsis Deo	Literally, Glory to God in the highest. Highest in this phrase means heaven, i.e. Glory to God in Heaven
Habeas Corpus	Literally that you have a body. A writ requiring that a detained individual be brought before a court to decide the legality of that individual's detention.
Habemus Papam	We have a father. The cheer raised by the waiting crowds when a pope is elected.
Homo nudus cum nuda iacebat	Naked they lay together, man and woman. Quoted inThe Name of the Rose, First day, Sext.
Ibid.	In the same place (in a book). Abbreviation for ibidem.
Ibidem	See ibid.
Id Est	That is to say. Usually abbreviated i.e.
Iesus	Jesus. There is no 'J' in classic Latin.
Iesus Hominum Salvator	Usually abbreviated IHS this means Jesus is the saviour of all people.
Iesus Nazerenus Rex Iudaeorum	Usually abbreviated INRI. The title card placed on Christ's cross by Pontius Pilate (John 19:19), it means Jesus of Nazareth, King of the Jews.
In Absentia	In their absence
In Actu	In practice
In Camera	In secret or private session; not in public
In Capite	In chief
In Extenso	At full length
In Extremis	In the last agonies
In Forma Pauperis	In the form of a poor person; in a humble or abject manner
In Infinitum	To infinity; without end
In Limine	On the threshold, at the very outset
In Loco	In the place of
In Loco Parentis	In the place of a parent
In Medias Res	Into the midst of affairs
In Memoriam	To the memory of
In Nubibus	In the clouds; not yet settled
In Partibus Infidelium	In parts inhabited by unbelievers
In Perpetuum	To all time
In Pontificalibus	In the proper vestments of a pope or cardinal
In Propria Persona	In his or her own person
In Situ	In its original place; in position
In Statu Quo	In the same state
In Terrorem	As a warning; in order to terrify others
In Toto	As a whole, absolutely, Completely
In Transitu	In passing, on the way
In Utero	In the uterus
In Vacuo	In a vacuum or empty space
In Vino Veritas	Truth comes out under the influence of alcohol.
In Vitro	In a test tube (literally glass)
In Vivo	Within the living organism
Indiae Imperator	Emperor of India. Usually abbreviated Ind. Imp. Appeared on the obverse of British and British Empirecoins before 1948.
Integer Vitae Scelerisque Purus	Blameless of life and free from crime
Inter Alia	Amongst other things
Inter Alios	Amongst other persons
Inter Caesa et Porrecta	There's many a slip twixt cup and lip
Inter Nos	Between ourselves
Inter Partes	Made between two parties
Inter Se	Between or among themselves
Inter Vivos	Between living persons
Ipse Dixit	Unproven assertion resting on the speaker's authority (literally He himself said)
Lapsus Linguae	A slip of the tongue
Lingua Franca	A common language
Lupus in Fabula	Speak of the devil
Lux Mea Christus	Christ is my light
Manus in Mano	Hand in hand
Manus Manum Lavat	Literally Hand washes Hand. Taken to mean One hand washes the other or scratch my back and I'll scratch yours.
Margaritas ante Porcos	Pearls before swine
Mea Culpa	Through my own fault
Mea Maxima Culpa	Through my very great fault
Melitae Amor	Love of Malta
Membrum Virile	The virile member; penis.
Memento Mori	A reminder of death, such as a skull (literally remember that you have to die)
Memento Vivere	A reminder of life (literally remember that you have to live)
Missa Solemnis	Literally, Solemn Mass. The High Mass.
Mitto tibi navem prora puppique carentem	I send you a ship without a bow or a stern. This is a rebus puzzle by Cicero. A ship, navem, without it’s first and last letter spells ave, which means greetings in Latin.
Mollia Tempora Fandi	Times favourable for speaking
Mutatis Mutandis	With the necessary changes
Nihil Sub Sole Novum	Nothing new under the sun
Nolite te Bastardes Carborundorum	Don't let the bastards grind you down. Not true Latin, as the word Carborundorum is not true Latin, like copacetic.
Non Compos Mentis	Not of sound mind.
Non Sequitur	An inference or conclusion which doesn't follow from its premises (literally It Does Not Follow)
Non Timetis Messor	Don't Fear the Reaper
Nosce te ipsum	Know thyself
Novus Ordo Seclorum	A new order for the ages (appears on the U.S. one-dollar bill)
Nunc Dimittis	Literally Now you send forth. Abbreviation of Luke 2:29.
Omnia Mihi Lingua Graeca Sunt	It's all Greek to me.
Optimus Parentibus		To my excellent parents. A common dedication in a book.