diff --git a/modular_skyrat/master_files/code/modules/language/_language.dm b/modular_skyrat/master_files/code/modules/language/_language.dm
index 59b82d735ba..13dc1922b13 100644
--- a/modular_skyrat/master_files/code/modules/language/_language.dm
+++ b/modular_skyrat/master_files/code/modules/language/_language.dm
@@ -20,3 +20,9 @@
 
 /datum/language/xenocommon
 	secret = FALSE
+
+/datum/language/monkey
+	secret = TRUE
+
+/datum/language/mushroom
+	secret = TRUE
diff --git a/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/humanoid.dm b/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/humanoid.dm
index 7fd24ab3d68..a9be6f37117 100644
--- a/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/humanoid.dm
+++ b/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/humanoid.dm
@@ -12,6 +12,7 @@
 	changesource_flags = MIRROR_BADMIN | WABBAJACK | MIRROR_MAGIC | MIRROR_PRIDE | ERT_SPAWN | RACE_SWAP | SLIME_EXTRACT
 	payday_modifier = 1.0
 	examine_limb_id = SPECIES_HUMAN
+	language_prefs_whitelist = list(/datum/language/monkey)
 	sort_bottom = TRUE //BUBBER EDIT ADDITION: We want to sort this to the bottom because it's a custom species template.
 
 /datum/species/humanoid/get_default_mutant_bodyparts()
diff --git a/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/mammal.dm b/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/mammal.dm
index 857d73e3589..e00c1dff6e5 100644
--- a/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/mammal.dm
+++ b/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/mammal.dm
@@ -20,6 +20,7 @@
 		BODY_ZONE_L_LEG = /obj/item/bodypart/leg/left/mutant,
 		BODY_ZONE_R_LEG = /obj/item/bodypart/leg/right/mutant,
 	)
+	language_prefs_whitelist = list(/datum/language/monkey)
 	sort_bottom = TRUE //BUBBER EDIT ADDITION: We want to sort this to the bottom because it's a custom species template.
 
 /datum/species/mammal/get_default_mutant_bodyparts()
diff --git a/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/mushpeople.dm b/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/mushpeople.dm
index 8644e74313a..b4f4383f6c9 100644
--- a/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/mushpeople.dm
+++ b/modular_skyrat/modules/customization/modules/mob/living/carbon/human/species/mushpeople.dm
@@ -1,3 +1,6 @@
+/datum/species/mush
+	language_prefs_whitelist = (/datum/language/mushroom)
+
 /datum/species/mush/get_default_mutant_bodyparts()
 	return list(
 		"caps" = list("Round", FALSE), // we don't want cap-less mushpeople
diff --git a/modular_skyrat/modules/synths/code/species/synthetic.dm b/modular_skyrat/modules/synths/code/species/synthetic.dm
index d63333e6139..5e83ab98642 100644
--- a/modular_skyrat/modules/synths/code/species/synthetic.dm
+++ b/modular_skyrat/modules/synths/code/species/synthetic.dm
@@ -52,6 +52,7 @@
 
 	/// Set to TRUE if the species was emagged before
 	var/emag_effect = FALSE
+	language_prefs_whitelist = list(/datum/language/monkey)
 
 /datum/species/synthetic/allows_food_preferences()
 	return FALSE
diff --git a/modular_zubbers/code/modules/customization/species/proteans/_proteans_species.dm b/modular_zubbers/code/modules/customization/species/proteans/_proteans_species.dm
index 6ffd9091097..5ed9dab6cc0 100644
--- a/modular_zubbers/code/modules/customization/species/proteans/_proteans_species.dm
+++ b/modular_zubbers/code/modules/customization/species/proteans/_proteans_species.dm
@@ -79,6 +79,7 @@
 	/// Reference to the species owner
 	var/mob/living/carbon/human/owner
 	var/list/organ_slots = list(ORGAN_SLOT_BRAIN, ORGAN_SLOT_HEART, ORGAN_SLOT_STOMACH, ORGAN_SLOT_EYES)
+	language_prefs_whitelist = list(/datum/language/monkey)
 
 /mob/living/carbon/human/species/protean
 	race = /datum/species/protean
diff --git a/modular_zubbers/code/modules/mob/living/carbon/human/species_types/hemophage_species.dm b/modular_zubbers/code/modules/mob/living/carbon/human/species_types/hemophage_species.dm
index 438982c2c63..ffe0a6aa624 100644
--- a/modular_zubbers/code/modules/mob/living/carbon/human/species_types/hemophage_species.dm
+++ b/modular_zubbers/code/modules/mob/living/carbon/human/species_types/hemophage_species.dm
@@ -8,6 +8,7 @@
 		BODY_ZONE_L_LEG = /obj/item/bodypart/leg/left/mhuman,
 		BODY_ZONE_R_LEG = /obj/item/bodypart/leg/right/mhuman,
 	)
+	language_prefs_whitelist = list(/datum/language/monkey)
 
 // MUTANT COLOR OVERRIDE