"Nga" is a word in TAGALOG, HILIGAYNON, CEBUANO

nga - A conjunctive particle used in various
ways:
a.) to connect adjectives and nouns, nouns
and nouns, etc., e.g. mabúg-at nga lúlan. A
heavy load. Sa manábaw nga subâ. In the
shallow river. Baláy nga bató. A stone
building. Isá ka kúlon nga kán-on. A kettle
full of rice. Mga ságing nga tinanók.
Boiled bananas. Ang mga nagahuníhúni
nga sirúmsirúm. The chirping crickets. Isá
ka lubí nga binukâ. A split coconut.
b.) to connect ideas or sentences,
equivalent to: that, in order that, if.
Nakadumdúm akó nga——. I thought
that——. Ang labíng maáyo nga magkádto
ka dídto sa súbung siní. It would be best, if
you went there at once. Indì mo
pagkalímtan nga buás masúgud kitá
magarádo. Don’t forget that tomorrow we
begin ploughing.
c.) as relative pronoun. Ang táo nga
naglubás kaína amó ang ákon tíyò. The
man who passed a while ago is my uncle.
Amó iní ang bátà nga mahúmok gid sing
úlo. This is the boy who has a very bright
under-standing. Diín na ang tigíb nga
gingámit ko kahápon? Where is the chisel
I used yesterday?
d.) as an introduction to an exclamation.
Nga pagkalisúd sang pangabúhì karón!
Oh, how difficult living conditions are! Nga
pagkabungúl siníng bátà! Oh, the
stubbornness (obstinacy) of this boy! How
stubborn this boy is!

nga
Definition: (part) emphatic particle expressing confirmation; truly; really; certainly; request particle meaning 'please'; so; therefore; really (assertive and emphasizing)

ngà = ingà.

nga grammatical marker.
short forms: ng after vowels, n, ; zero after consonants.
{1} following preposed gen.
Íya kung gilípay, He made me happy.
Ang íyang payag, His hut.
{2} follow-ing demonstratives and interrogatives.
Taw-an kanang kahúya, That tree is inhabited by spirits.
Unsang adláwa run?
What day is it today?
{3} between members of a two-headed en-docentric construction.
Nindut nga sinínà, A beautiful dress.
Plawtang kawáyan, A bamboo flute.
Usa ka húngut nga tubà, A coconut shell full of palm toddy.
Ang ákung gihulaman nga bulpin, The ball point pen that I borrowed.
Gihilásan ku nga namátì sa íyang hambug, I was disgusted listening to his boasts.
{4} preceding a clause: that.
Nahadluk siya nga mapugus pag-minyù sa Insik, She feared that she would be forced to marry the Chinaman.
Huhungíhung nga daghan kag babáyi, Rumors that you have many mistresses.
{4a} when [such-and-such] a thing is the case.
Unsáun man nímu pagpanghimakak nga náa may nakakità?
How can you deny it when so many people saw it?
{5} linker between a word that expresses manner or mode and a verb that follows it.
Siya gustung magpárì, He wants to be a priest.
Maáyu siyang mubinisayà, He speaks Visayan well.
Mahímù ka nang mulakaw, You may leave.
{6} preceding the goal of a verb which refers to the same thing as the subject of the verb.
Gipílì siyang prisidinti, He was chosen president.
Nag- pabílin silang malipáyun, They remained happy.
{7} daghan there are, were many.
Sus, kadaghang táwu, My!
How crowded it is!
{8} [noun] nga [noun] the very [noun] itself.
Si Biguy nga Biguy mihukum gánì sa ingun, ikaw pa!
Biguy himself (great as he is) thought sohow could you say otherwise!