Considered as old Filipino or Tagalog words, these are heard or used less nowadays as Filipinos especially the younger generations prefer using common Filipino words synonymous to these on the list. The Tagalog term for these words is mga malalim na salitang Tagalog which translates to deep Tagalog words. But even though these words had seemingly taken the back seat, they still have that spark that contributes to making the Filipino language more interesting, offering a glimpse of the past through olden words in those times.
Here is a list of 10 uncommonly used Filipino words that chances are you will still encounter. I also included the words synonymous to these that are colloquially used along with examples.
1. Filipino Word: Batlag

English translation: Car
Definition: a vehicle moving on wheels (Source: Merriam-Webster)
Sentence Example: Nabangga ang aming minamanehong batlag kaninang umaga.
2.Filipino Word: Dupil
English translation: Amulet
Definition: It is an amulet, or anything that is believed to have the power to save the person who owns it from any harm. The more popular Tagalog words currently being used are anting-anting and agimat.
Sentence Example: Ginamit ni Juan ang dupil upang maligtas ang kaniyang Sarili sa kapahamakan.

3.Filipino Word: Sambat
English translation: Fork
Definition: A common tool used in eating that usually has three or four stiff metal points attached to a handle.
(Source: ( https://dictionary.cambridge.org/us/ )
Sentence Example: Mas madaling kumain kung may hawak na Sambat.

4.Payneta
English Word: Comb
Meaning: A strip of plastic, metal, or wood with a row of narrow teeth, used for untangling or arranging the hair
Sentence: Ang payneta ni Anna ay marumi.

5.Filipino Word: Durungawan
English translation: Window
Definition: an opening especially in the wall of a building for admission of light and air that is usually closed by casements or sashes containing transparent material (such as glass) and capable of being opened and shut.
(Source: Merriam-Webster)
Sentence Example: Nakita ko sa aming Durungawan ang isang napaka gandang babae.

6.FILIPINO WORD: Katipan
MEANING: kasintahan; nobya/nobyo
OTHER TERM/S: Husband/Wife
SAMPLE SENTENCE: Nagdagsaan ang mga magkatipan sa parke noong nakaraang Araw ng mga Puso.

7.FILIPINO WORD: Salumpuwit
ENGLISH TRANSLATION: Chair
MEANING: a seat typically having four legs and a back for one person.
SAMPLE SENTENCE: Iisa na lamang ang natitirang salumpuwit sa silid-aralan.

8. Filipino Word: Salipapaw
Definition : A powered heavier-than-air aircraft with fixed wings from which it derives most of its lift
Sentence Example : Baka maging sanhi pa ng aking kamatayan ang pagsakay sa salipapaw.

9.Filipino Word: Anluwage
English Translation : Carpenter
Definition : A worker who builds or repairs wooden structures or their structural parts.
Sentence Example : Ang bago kong bahay ay ginawa ng mga anluwage.

10. Filipino Word: Pangaso English translation: Toothbrush
Definition: A brush for cleaning the teeth (Merriam-Webster).
Example Sentence: Pagkatapos kong kumain, ginagamit ko ang aking pangaso upang linisan ang aking ngipin.
